SEAFEW Small Sling Bag Crossbody Backpack - Anti-Theft Chest 。* Durable Material: Made of high-density, durable polyester composite fabric, with excellent wrinkle resistance, firmness, abrasion resistance, durability, breathability, etc., comfortable and convenient to wear, very suitable for young people to casually match, carry out Outdoor activities, and more. * Large Capacity Space Design: 15.3 x 3.5 x 7.5 inches / 39 x 9 x 24 cm. The innermost zipper is the main pocket, and there is a patch pocket inside with elastic closure; there is an open pocket on the outer side, a zipper pocket on the outermost side, and a mesh pocket on each side. The bag can hold keys, cosmetics, wallets, headphones, data cables, power banks, umbrellas, textbooks, water bottles, and other items * Adjustable Shoulder Straps: length adjustable range = 55-110cm. The shoulder straps are light to reduce stress on the shoulders. Breathable, padded back panel and shoulder straps make it very comfortable to wear without heat build-up. Adjustable shoulder straps make this backpack suitable for most people * Interchangeable Shoulder Strap Orientation: There are two D-rings at the bottom of the chest bag. You can choose left shoulder or right shoulder according to your habit * Washing Instructions: Hand wash is recommended, no ironing, no bleaching.