Kuromi Mini Backpack for Kids Set - 10” Faux Leather Kuromi Backpack with Front Pocket Plus Water Bottle | Sanrio Backpack Bundle for Girls. This Sanrio backpack set includes a 10” canvas backpack with adjustable shoulder straps, zip closure compartments, front pocket, and top loop for hanging featuring colorful artwork of Kuromi. This Kuromi backpack for kids contains plenty of room to carry your wallet, phone, and any other small items you need to take to school or on the go. Show off your love of Kuromi in style. This Kuromi backpack bundle is perfect to give as a gift to any Sanrio fan. Officially licensed Sanrio Kuromi backpack set is perfect for all fans, kids and adults alike. Set also includes a Beach Kids water bottle. For ages 3 and up.