Material: 210D Polyester. Fabric upgrade of waterproof treatment. Water-repellent coating on the surface of the fabric is rainproof. Lightweight and easy storage: The bag for 16 inch bicycle weight is only 178g, which is like the size of a palm for easy storage. The bag for 20 inch bicycle weight is 210g. Opened top design: Handle cushion to lift the bicycle, bag reducing the handle design, simpler and more practical Tightened bottom design: Tightening the elasitc band after finishing installation to protect the bicycle. 16 Inch bag fit for 16 Inch and below folding bike and folding scooter. 20 Inch bag fit for 22 Inch and below folding bike and folding scooter. Package includes: 1*bicycle bag, 1*storage bag