Top Power 9080 DIY Backpack Build Your Own Backpack 'Back Body'&'Front Board' Set Converts to several styles with Disassembly & Assembly Backpack Back Body and Front Board Inclues one 'Back Body' , one 'Front Board' , and one 'DIY Velcro'. Organize the Interior compartment by different Top Power DIY Backpack accessories. Constructed of durable materials; Metal YKK zipper pulls. Comfortable padded core back panel. Designed with added padding omfortable shoulder strap system. Check other Top Power DIY Backpack accessories in our O Shop store.