•Fabric: Use Nylon fabric, the diamond mesh structure of polyester yarns is cross-stacked with each other, and the bottom layer is polyester fabric. Nylon is lightweight and wear-resistant. The overall tear resistance of the fabric can be increased by superimposing cross-mesh yarns •Zipper: The YKK waterproof zipper has a smoother closing process, better waterproofness and higher durability. The double-sided separate zipper compartment design allows free allocation of space in the bag, making it more convenient to collect items •Mounting Design: The bottom of the bag has an elastic rope design that can be used to the small items, and the bag is designed with a fixed position for a portable air pump to avoid mutual friction •Opening Design: The head of the bag is equipped with an independent water pipe outlet,which is compatible with a frame bag water bag within 1.5 liters, and can also pass through the power bank data cable •Upgrade Water-Resistant Design: The bike frame bags are made of nylon material and the zippers adopt high frequency seamless welding technology, effectively block rainwater from entering the bike bag quickly •1.7L Storage Space: The bike storage bag has enough inside room for your phone, mini binoculars, cycling glasses, bicycle repair tools & accessories, dust masks, keys, wallets, etc. Specifications: •Material: Nylon •Size: 28*6.13.5cm Package included: •1 x Bicycle Frame Storage Bag •4 x Straps •Other items not included