Zipper closure Perfect Size Sling Bag: 15*6.7*3.5 inch (H*L*W).3 Layers totally.You can hold phones,powerbank,wallet or outdoor/travel sundries,lotion, sun screen,keys, passport,or so on.It even has a D-ring to hang keys. Sling bag makes your things organized. Lightweight and Comfortable Sling Backpack: Only 8.8 oz, very light weight to carry. Shoulder strap and back are made of breathable mesh padded that can provide you all day comfort. Adjustable strap allows you adjust length and wear bag in the front or back, and stays in place comfortably even while running. Outdoor Shoulder Bag:Water resistant (Color Part) and anti-scratch Nylon material make Hwayslon bag protective and durable for hiking, kayaking, snorkeling, gym, cycling, bike riding, walking, traveling, amusement park and daily use. All-purposed Casual Daypack:Perfectly works as shoulder pack,chest bag,crossbody backpack and travel bag and keep your hands free.Modern fashion style and exquisite details make Hwayslon matchable with any dress for men and women. Warranty:All products are checked before delivery.Our 60-day warranty and friendly customer service.