Main Material: Material or Fiber Outer Material: 420D Nylon (K, TT, MC, AV, PL), 300D Polyester Heather (AL), 210D Ripstop Nylon (MR), 600D 100% Recycled Polyester (OC), 1680D Nylon Strap Type: Adjustable Fastener Type: Fastener Multi-functional backpack (backpack) that is easy to use both outdoors and everyday Padded air mesh and PE seats to support the back of the flex vent shoulder harness. From the end of April and the beggining of May (around Apr 27 to May 7) – in the middle of August (around Aug 10 to Aug 20) – from the end of December to the beginning of January (around Dec 28 to Jan 6). Thank you for to see my list : I live in Tokyo Japan. And I love Japan and Japanese items! Please check out our other items! We deal only genuine products. You need checking yourself but we will help you reduce custom duty. Lacking of accessories is not acceptable.