Best Convertible Booster

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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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 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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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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Diono Radian 3QX 4-in-1 Rear & Forward Facing Convertible Car Seat Safe+ Engineering 3 Stage Infant Protection 10 Years 1 Car Seat Ultimate Protection Slim Fit 3 Across Gray Slate

  • NEXT GENERATION RADIAN ALL-IN-ONE CONVERTIBLE CAR SEAT - From infant to booster seat, rear and forward facing the Radian 3QX adapts as your child....
  • 3-IN-1 REAR FACING 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 - Tested Radian all-in-one convertible car seat.
  • featuring Safe+ steel rear-facing anti-rebound bar, steel reinforced frame,....
  • 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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Car Seat Chest Harness Clip for Kids Baby Carseat | Universal Replacement for BRITAX & Graco by journeyxl

  • 10 years of use: New one4life convertible to booster car seat grows with your child from 5 to 120 pounds & up to 63 inch tall.
  • Install confidently: With a ClickTight installation, you'll know it's right in 3 easy steps.
  • One4life: Converts from rear facing infant car seat, to forward facing 5 point harness, to high back belt positioning booster.
  • Britax safety: High strength steel frame, crumple zone helps absorb crash energy and patented v-shaped tether.
  • Full body protection: 2 layers of side impact protection surround the head, neck & torso.
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