Hello Dear friend. Welcome to visit our store. Lightweight design is easy for carrying: Made From Durable Polyester Fabric with good features of comfortable and portable. The item involves more pockets for storage, double layer space and reasonable layout. 100% high quality craftsmanship. Product Description: Name: Chest bag Material: Solid Polyester Fabric Features: 1. Concise but not simple, high-grade Polyester material, extraordinary quality, which makes the bag not fold; 2. With a USB port, can charge the phone when you use, so convenient; 3. Anti-theft design: using the buckle in front of the bag can prevent theft and protect your belongs; 4. Of great flexibility and multi-function, can be used as chest pack, shoulder bag, messenger bag and travel bag Function: Commuting, business, school, travel, shopping Size: 17 x 5 x 32 cm (1 cm=0.39 inch) Weight: 0.3 KG Color: Black Gender: Unisex Note: 1. This item is WITHOUT , Batteries, Power source. 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.