Description Expandable Roll-Top Backpacks, 600D Polyester Material Expandable roll-top backpacks are a popular and versatile choice for carrying various items, such as books, laptops, clothing, outdoor gear, and more. so these backpack is an ideal choice for branding logos and promotional giveaways. High-density 600D waterproof Expandable Roll Top Backpack – Black Color with adjustable buckle closure padded strap and front zipper pocket with reflector. It is spacious and can fit up to a 15″ laptop plus one open compartment inside. Printing Option on Roll-top Backpacks Screen Printing Backpack Printing Details