Backpack finished size: 33.02 x 38.10 cm (13″ x 15″). 2 Pals finished sizes: 13.97 x 19.05 cm (51⁄2″ x 71⁄2″). Kit includes 100% polyester printed plush panel, 85% polyester and 15% thermoplastic polyurethane lining, 100% polyester strapping for handles, hook-n-loop tape for closure, 4 metal D-rings for strap adjustment, and easy-to-follow instructions. Recommended for children ages 2 and up.