90% Polyester, 10% Cotton Keep Your Kids Close By - Includes secured chest strap and shock-absorbing harness tether cord to keep your child from wandering away from you. Multiple Storage Pockets - Contains an internal elastic pocket, a front zippered pocket, and two mesh side pockets. Great for snacks, lunch, and school supplies. Detachable Tether - Tether can be removed, allowing your child to continue using the harness as a backpack as they grow. Fits Ages 12 Months and Up. Lightweight and Comfortable - Made from lightweight Polyester and Cotton with padded shoulder straps to make it comfy for your child to carry. Fun and Colorful Design - Design pattern is cute and looks great on any child.