Hello Kitty Backpack Set for Girls - Bundle 6 Piece Sanrio Set 16" School Bag, Bottle, Tattoos, More | Hello Kitty School Backpack for Kids. Hello Kitty school supplies set includes Hello Kitty 16 inch school bag, Beach Kids water bottle, Hello Kitty stickers, tattoos and a Hello Kitty sticker. Coordinates with any other Hello Kitty accessory. Hello Kitty backpack is made of durable materials. Features: large 16" compartment; adjustable padded straps; large front compartment and top loop. This Hello Kitty school backpack for kids and adults measures approx. 16" x 12" x 4.5". Hello Kitty fabric features artwork by Hello Kitty on a rainbow background. Officially licensed Hello Kitty backpack set is perfect for kids, boys and girls alike. Set also includes a Beach Kids cat door hanger.WARNING: CHOKING HAZARD—Small parts. Not for children under 3 years or 36 months.