Keroppi Backpack for Girls - Bundle with 16” Sanrio School Backpack Plus Water Bottle, Decal, More | Hello Kitty and Friends School Bag Keroppi. This Sanrio school backpack features adjustable straps, zip closure, and a top loop featuring the colorful artwork of Keroppi. This Sanrio backpack for kids has plenty of space for folders and books. The front accessory pocket is perfect for holding Keroppi pencils, pens, school supplies, toys, snacks, and more. This durable Keropi backpack for girls also comes with a Beach Kids water bottle, Hello Kitty decals, and a Beach Kids cat door hanger! Officially licensed Sanrio Keropi backpack school set for kids. Pair this with other Hello Kitty and Friends school supplies. For ages 3 and up.