Heavy Duty Material: The scooter cover is made of polyester fabric, which is tear resistant fabric, non-stretch, won't shrink or stretch and can effectively protect your scooter from sunlight aging. Waterproof Design: Heavy duty polyester and double-stitched seams is durable and waterproof, can effectively keep your scooter dry even in heavy rainstorm, protects against rain, dust,dirt,birds and tree sap.