Kids will love taking their gear and supplies to school, or toys to outings, in our brightly printed backpacks. They come in fun new designs, and are rugged and roomy. They're constructed with lots of pockets, exterior straps and gear loops that keep everything in place. Made from rugged, water-resistant 600-denier polyester. All backpacks have adjustable straps that are contoured and padded to ensure a comfortable fit; padded back panel adds extra cushioning. Small, Large, and Rolling backpacks feature an MP3 player pocket cutout for headphone cords. Exterior straps hold a Mackenzie lunch bag (sold separately) securely in place. Exterior side pockets are designed to hold any of our water bottles (sold separately). Personalization is available for an additional $7.00. Mini backpack holds a snack, a change of clothes, and a favorite toy. Small backpack holds a lunch bag, two small notebooks, two books and a water bottle. Large and Rolling hold a lunch bag, a large notebook, two small notebooks, several books and a water bottle. Rolling backpack features sturdy wheels and straps that can be stored behind a fabric panel when used as a rolling backpack.