Material:Sling backpacks made of polyester material,durable, lightweight high quality,very portable.Shoulder strap is adjustable to meet different requirements. Sling Backpack Size: 7.2 X 3.5 X 15.3 Inches.You can place many items such as keys, wallets, headphones, umbrellas, water bottles, clothing and more. Great Gift Idea:Cross body sling backpack is a Ideal gifts for birthdays, thanksgiving, christmas and so on. Occasion:Suitable for traveling, cycling, hiking, daily use, shopping, camping, fishing, swimming, beach, dance, gym, climbing etc. After-Sale Serves:If you have any problem about our sling backpack women,please contact us.Hand wash or machine wash.