Modified Polyester, Water Resistant & Durable - This triangle frame bag is made of Modified Polyester fabric. Water resistant to protect stored items and easy to clean by wiping the surface. LARGE STORAGE - Large enough to store all your tools and necessary items under the bike frame! A roomy stash pocket holds your phone, earphones, and money clip, while another large mesh pocket provides room for your keys, meals, and more. PERFECT DETAILS - Adjustable wide Nylon Sticker straps ensure a stable and secure fit, sturdy opening and large zipper for easy access, universal angle for most bike tripods, won't get into your water bottle. Slim design, light weight - The slim body design and the installation position of the bottom tube of the bicycle effectively help reduce wind resistance and avoid leg impact when driving. Great for long rides. Reflective visor for added visibility - which can be very dangerous when you're biking at night. For added safety, our bike triangle frame packs a reflective strip to keep you safe. Colour:Black Material:Oxford cloth Size:A/B Package Contents: 1 x Bicycle bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.