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Best Convertible Booster Seat

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black

  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old.
  • HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode.Shell and Components: Spot clean.
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs.
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child.
  • THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat.
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Britax Car Seat Travel Cart | Adjustable Handle + Compact Fold + Fits in Airplane Overhead Bin Black 42x13.5x5.5 Inch Pack of 1

  • Travel made simple: Conveniently transport your child short travel distances while harnessed in a car seat.
  • Easy transport: Attach car seat to durable steel travel cart using the seat’s Latch connectors.
  • 1 hand telescoping handle adjusts 2 positions to accommodate all users.
  • Bring it everywhere: Compact fold stows into small spaces including aircraft overhead bins, no assembly or breakdown required.
  • Compatibility: For use with all Britax forward facing convertible car seats and harnessed booster seats, and most other car seat brands using Latch.
  • Fit: Dimensions 24 x 13.5 x 5.5 inches (HxWxD).
  • Handle adjusts upto 42 inches from floor to top of handle.
  • Accommodates all Britax convertible car seats and harnessed booster seats, and most other car seat brands.
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Let It Go Babyz

  • Travel made simple: Conveniently transport your child short travel distances while harnessed in a car seat.
  • Easy transport: Attach car seat to durable steel travel cart using the seat’s Latch connectors.
  • 1 hand telescoping handle adjusts 2 positions to....
  • Bring it everywhere: Compact fold stows into small spaces including aircraft overhead bins, no assembly or breakdown required.
  • Compatibility: For use with all Britax forward facing convertible car seats and harnessed booster seats, and most other car seat brands using Latch.
  • Fit: Dimensions 24 x 13.5 x 5.5 inches (HxWxD).
  • Handle adjusts upto 42 inches from floor to top of handle.
  • Accommodates all Britax convertible car....
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Evenflo Everystage DLX All-in-One Convertible Car Seat Crestland

  • Infant + convertible + booster: rear-facing harness, forward-facing Harness and Belt-Positioning Booster provides a safe and secure ride for 10 years....
  • Grows with child to 120lbs: the only seat you'll ever need, This seat is tested in high back booster mode up to 120 lbs.
  • Rear facing longer- to 50 lbs: adjusts to multiple positions, allowing your toddler to stay rear-facing longer, beyond 2 years, without the need to....
  • Angled for comfort and safety: comfortably angles child to help minimize head slump and help keep airway open, for a custom, cradled fit.
  • 10 total positions: allow you to position the seat for an accurate fit for a growing child.
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Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat, Safe Plus Engineering 4 Stage Infant Protection, 10 Years 1 Car Seat, Slim Fit 3 Acrosss, Red Cherry

  • THE NEXT GENERATION 4-IN-1 RADIAN CONVERTIBLE CAR SEAT: Introducing 23 improvements in safety and new features from the award-winning 3QXT slimfit convertible car seat.
  • 4-in-1 NEWBORN PROTECTION FROM 4 lbs: The energy absorbing protection Safe+ newborn insert provides the secure travel position, adjustable harness and anti-slip harness pads complete with Safe+ steel anti-rebound bar to reduce rebound rotation by 50%. Security 3 different ways - rear-facing, forward-facing, and high back booster mode.
  • SAFE PLUS ENGINEERING: Radian 3QXT is subjected to a combination of the most rigorous crash tests to ensure we have the safest car seat possible. The radian 3QXT features high-density plastic and steel reinforcement to create the ultimate protection.
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3QXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs.
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat..
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Evenflo Platinum Symphony Elite All-in-One Car Seat

  • ALL-IN-ONE CAR SEAT: The Evenflo Symphony DLX all-in-one car seat accommodates children from 5 to 110 pounds and features three modes: rear-facing, forward-facing harness, and belt-positioning booster..
  • 5-POINT HARNESS: Our Evenflo all-in-one car seat includes a five-point harness that has been tested to a 65-pound weight limit. This allows longer harness use, until the child is ready for a belt-positioning booster mode..
  • INFANT + CONVERTIBLE + BOOSTER: This all-in-one car seat is an honest three-in-one. It can be used as a rear-facing harness, a forward-facing harness, and a belt-positioning booster that provides safety and is assembled in the USA..
  • EASY TO ADJUST: Our all-in-one car seat features a one-hand adjustable headrest that grows with your child, and a no-rethread harness: easy-to-slide harness straps that enable proper fit during each ride..
  • TRUSTED FOR NEARLY 100 YEARS: Evenflo has been a trusted source of well-built children products for almost 100 years. The real-life designs used in each of our products have been engineered for everyday use..
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Britax One4Life ClickTight All-in-One Car Seat Black Diamond

  • One4Life: Converts from a rear-facing infant car seat, to a forward-facing 5-point harness seat, to a high-back belt-positioning booster seat.
  • 10 Years of Use: One4Life convertible to booster car seat grows with your child from 5 – 120 lbs and up to 63” in height.
  • Full Body Protection: 2 layers of side impact protection surround your child’s head, neck & torso.
  • Britax Safety: Patented v-shaped tether, high strength steel frame and crumple zone absorb crash energy to help keep your child safe.
  • Install Confidently: With ClickTight Installation, you’ll know it’s right in 3 easy steps.
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Diono Radian 3RXT, 4-in-1 Convertible Car Seat, Rear and Forward Facing, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Fit 3 Across, Black Jet

  • AWARD WINNING RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the radian 3RXT adapts as your child grows for 10 years of use (2.2 - 54 kg / 5 - 120 lb).
  • REAR FACING FOR LONGER - Designed for safe rear facing travel from 5 50 lb / 2.3 - 22.7 kg complete with newborn travel high wedge to protect as they grow from baby, infant to toddler.
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Creates a safe and comfortable fit for rear facing, forward facing and booster seat modes.
  • STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect.
  • THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.
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Evenflo Maestro Sport Convertible Booster Car Seat Forward Facing High Back 5-Point Harness For Kids 2 to 8 Years Old Whitney Pink

  • Convertible Forward Facing Car Seat: Keep your child safe as they grow from toddler to child with this forward-facing car seat for kids ages 2-8 years....
  • Dual Use: 5-point harness car seat for toddlers ages 2-4 from 22-50 pounds and 28-50 inches tall.
  • high-back booster seat for kids ages 4-8 from 40-110....
  • Adjustable Harness and Belt: Harness adjusts to growing child and booster seat features a shoulder seat belt guide to keep it in the proper position....
  • Easy to Clean: Easy to clean with wipeable and machine-washable car seat pad that removes for easy cleaning.
  • Convenient and Safe: Includes 2 built-in cup holders to keep drinks and snacks within reach.
  • Meets or exceeds all applicable federal safety standards....
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Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat Safe Plus Engineering 4 Stage Infant Protection 10 Years 1 Car Seat Slim Fit 3 Across Jet Black

  • THE ULTIMATE RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QXT adapts as your child grows....
  • 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 pounds / 1.8 - 22.7 kg complete with Safe+ inserts and Safe+ steel....
  • SAFE+ ENGINEERING - Our most rigorously tested Radian all-in-one convertible car seat.
  • featuring Safe+ steel rear facing anti-rebound bar, steel....
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian....
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations....
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Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat Safe Plus Engineering 4 Stage Infant Protection 10 Years 1 Car Seat Slim Fit 3 Across Gray Slate

  • THE ULTIMATE RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QXT adapts as your child grows....
  • 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 pounds / 1.8 - 22.7 kg complete with Safe+ inserts and Safe+ steel....
  • SAFE+ ENGINEERING - Our most rigorously tested Radian all-in-one convertible car seat.
  • featuring Safe+ steel rear facing anti-rebound bar, steel....
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian....
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations....
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Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat Safe Plus Engineering 4 Stage Infant Protection 10 Years 1 Car Seat Slim Fit 3 Across Purple Plum

  • THE ULTIMATE RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QXT adapts as your child grows....
  • 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 pounds / 1.8 - 22.7 kg complete with Safe+ inserts and Safe+ steel....
  • SAFE+ ENGINEERING - Our most rigorously tested Radian all-in-one convertible car seat.
  • featuring Safe+ steel rear facing anti-rebound bar, steel....
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian....
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations....
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Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat Safe Plus Engineering 4 Stage Infant Protection 10 Years 1 Car Seat Slim Fit 3 Across Blue Sky

  • THE ULTIMATE RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QXT adapts as your child grows....
  • 4-IN-1 NEWBORN PROTECTION - Designed for safe rear facing travel from 4 - 50 pounds / 1.8 - 22.7 kg complete with Safe+ inserts and Safe+ steel....
  • SAFE+ ENGINEERING - Our most rigorously tested Radian all-in-one convertible car seat.
  • featuring Safe+ steel rear facing anti-rebound bar, steel....
  • ONE HAND EASY ADJUST 12 POSITION HEADREST - Contoured to improve child head containment and provides a 22% increase in occupancy range from the radian....
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations....
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