Reinforced Handle The handle is sewn with two layers of thick fabric to improve load-bearing capacity to 11 lbs. Upgraded Material Made from three-ply composite non-woven fabric to protect your items from moisture and dust. Sturdy Zipper Equipped with #5 stainless steel zippers which are hard to break, and can be used for a long time. Big Clear Window Designed with a big clear window, allowing you to see the stored items inside easily and clearly.