Feature: 1. Superior oxford fabric, high toughness, wear-resistant and high density waterproof. 2. Invisible anti-theft pocket, improve the safety factor to ensure the safety of private property. 3. Dual layer design, large capacity space, meets daily activities needs. 4. Side zipper open way, humanization design, convenient to put and take off things. 5. Thicken honeycomb sponge shoulder strap, comfortable and breathable. 6. Multi-function design, shoulder strap traffic card location, metal release buckle, back pull rod belt. 7. Upgrade USB dual charge port, hidden, delicate practical. Specification: The single shoulder pack is made by superior oxford fabric, high toughness, wear-resistant and high density waterproof. multi-layer design, invisible anti-theft pocket, inner large capacity space, meets daily activities needs. Features: Superior oxford fabric, high toughness, wear-resistant and high density waterproof. Invisible anti-theft pocket, improve the safety factor to ensure the safety of private property. Dual layer design, large capacity space, meets daily activities needs. Side zipper open way, humanization design, convenient to put and take off things. Thicken honeycomb sponge shoulder strap, comfortable and breathable. Multi-function design, shoulder strap traffic card location, metal release buckle, back pull rod belt. Upgrade USB dual charge port, hidden, delicate practical. Specifications: Brand: Mark Ryden Model: MR7507 Color: Black Material: Oxford Cloth Hardness: Medium Shape: Vertical Square Shoulder Strap Quantity: 1 Open Way: Zipper Popular Element: Sewing Thread Package Weight: 510g / 17.99ounces Package Size: 300 * 200 * 80mm / 11.81 * 7.87 * 3.15in Packing List: 1 * Chest Pack Package List: 1 * Chest Pack