Designed for ultimate portability, Monterey® 5iST FixSafe™ transforms in seconds from a compact fold to a full-size booster seat, without compromising safety or comfort. At 25% smaller than the average booster, Monterey® 5iST FixSafe™ folds down into a compact and convenient size and features an integrated carry handle and carry straps. So with Monterey® 5iST FixSafe™ you can always take safety with you for the joy of the journey. Suitable from 18 - 54 kg / 40 - 120 lb (96 - 160cm / 38 - 63" tall). Features: -Expands in height and width; one-hand automatic height and width adjustment provides 85% more room as your child grows -Compact fold to full size booster in seconds; 25% smaller than the average booster seat without compromising safety or comfort -Fixsafe™ rigid latch connectors - easy install with fixsafe™ rigid latch connectors for a safe and secure installation every time -8 years one booster; 12 headrest positions and expandable sides to grow with your child from 18 - 54 kg / 40 - 120 lb (96 - 160cm / 38 - 63ó tall) -Machine washable fabric and convenient cup holder ensure your child's booster seat stays clean and comfortable -Safe+® engineering - includes 8 layers safe+® side impact protection and rigorous crash testing to create the most advanced monterey® ever -Take safety with you; Lightweight, easy carry with integrated carry handle and carry straps make Monterey® 5iST FixSafe™ ideal for travel -Built with designated storage compartment for carry straps Minimum User Weight: 18 kg / 40 lb Maximum User Weight: 54 kg / 120 lb Product Height: 63 cm / 24.8 in Product Width: 44 cm / 17.3 in Product Depth: 41 cm / 16.1 in Seat Weight: 8.5 kg / 18.7 lb Maximum User Height: 160 cm / 63 in Number of Head Support Positions: 12 Product Height - Folded: 60 cm / 23.6 in Product Width - Folded: 44 cm / 17.3 in Product Depth - Folded: 22 cm / 8.7 in