Product Description Material: Polyester Size: 30 * 22 cm Color: black, gray Quantity: 1 piece Package content: 1 piece * chest bag 1. Lightweight: This slim, lightweight shoulder bag is made of durable polyester, which makes it easier to carry when you go out with it. 2. Anti-theft device: With its unique design, this sling backpack has 5 pockets to meet different requirements. The integrated blocking of the zip pocket protects your credit cards and personal data from ID. The anti-theft function is the best way to protect your personal belongings. 3. Side backpack: It can be carried as a wallet on the shoulders instead of being put in the pocket. Rationally organized space, multiple pocket sizes at different angles, easy access to all of your devices. 4. Robust and comfortable bag: This shoulder backpack is made of waterproof, tear-resistant polyester material, reinforced backpack straps, scratch-resistant, tight and robust two-way metal zipper, precise seam and bartack technology. The breathable material reduces pressure and heat. 5. Reflective Strap: This reflective strap shoulder bag makes you safe and worry free when you walk at night. And it brings you more fashion sense.