Ready to go with room to grow! The Britax Poplar Convertible Car Seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight Installation and slim SpaceSaver design. This car seat accommodates up to 50 pounds rear facing to help keep your child riding safely even longer and easily switches to a forward facing car seat as your child grows. ClickTight Technology installation provides fully open seat belt paths that are clearly labeled and easy to access, and the automatic tensioner takes care of the tightening. Slim outside and spacious inside, the toddler car seat features 17" SpaceSaver technology designed to fit 3-across* without compromising on trusted Britax safety and premium comfort. The Britax car seat boasts a patented SafeCell crumple zone and V-shaped top tether to help manage crash energy. The reinforced frame and belt paths provide strength and stability. Rear facing car seat cover fabrics are naturally flame retardant with no added FR chemicals and safe to machine wash and dry. *Britax cannot guarantee 3-across installation fitment in all vehicles Recommendation Britax strongly recommends: Children ride rear-facing to the highest weight or height specified; Children should remain in a child seat with a 5-point harness until reaching the maximum weight or height allowed; The top tether be used at ALL times when installing the child restraint forward-facing.; Why You'll Love it ClickTight Installation Install with confidence in three easy steps: open, thread & buckle, click it closed SpaceSaver Design Slim outside, spacious inside: 17" seat design without compromising on trusted Britax safety & premium comfort Extended Rear-Facing Fits up to 50 lbs and 49" to help keep your growing child riding rear-facing longer Features: 14-Position, Quick-Adjust Headrest & Harness Create the proper fit as your child grows Patented V-Shaped Tether Staged-release stitches help slow & reduce forward movement during a crash Dishwasher Safe Cup Holders Removable for easy cleaning between car rides 6-Position, Quick-Adjust Recline Helps you find the most comfortable fit for your child & the best fit for your vehicle SafeCell Technology Acts as a crumple zone, helping to keep crash energy away from your child 5-Point Safety Harness Helps evenly distribute crash energy to keep your child safe Naturally Flame-Retardant Fabrics With no added FR chemicals Carbon Steel Frame Reinforces the seat structure to help keep it sturdy and stabilized Specifications Product Dimensions: 20.5" x 17" x 23.5"; Harness Slot Heights: 8", 8.7", 9.4", 10.1", 10.8", 11.5", 12.2", 12.9", 13.6", 14.3", 15", 15.7", 16.4", 17"; Buckle Strap Depths: 4" - 7"; Child Weight: 5-65 lbs; Rear-facing Harnessed Height: Less than 49"; Forward-facing Harnessed Height: Less than 49"; Rear-facing Harnessed Weight: 5-50 lbs; Forward-facing Harnessed Weight: 22-65 lbs; Seat Area Depth/Width: 11" / 12"; Shoulder Width: 14";.