Pottery-barn-kids-solar-system-backpack, durable, functional and oh-so-playful, our sturdy, roomy mackenzie backpacks are packed with pockets, straps and gear loops to keep everything in place. it’s made of water-resistant polyester with adjustable padded shoulder straps with exter…. Get them excited for school, and shop kids backpacks from pottery barn kids. hold everything from a change of clothes to notebooks, pencil cases, water bottles, matching lunch bags, and more., our favorite back to school backpack picks for kids, tweens, teens and young adults. show your back to school style with one of these fun backpacks.