EFFECTIVELY PROTECT-- The bike covers keep your bike away from dust, rust, wet water vapor, sunshine and scratches, also keeps floors & walls protected from dirt and tire marks, A super-stretchy, beautiful bike cover wraps up your bike frame and tires and holds dirt inside, at the bottom, while your space stays neat and tidy HIGH ELASTIC FABRIC-- Choose from a combination of premium technology polyester and spandex that can be freely switched between different types of bicycles. Moreover, this cover is easy to fold/unfold and carry around, so you can easily pack up to save space and take it wherever you go. It is lightweight and easy to operate ELASTIC WRAP EDGE -- The upper part of the wheel cover adopts high-elastic band binding to avoid slipping. Do not worry about the installation of the off due to the large inelastic mouth circumference. All black makes the casual combination of bicycles more beautiful and generous. It is portable and can be put on at any time FITS MOST KINDS OF BIKES-- This bicycle cover measures 58"L x 19"H x 26"Mouth, Weight: 355g. No matter whether it is a mountain bike, a road bike, a cruiser bike, single speed, a fixie or any other kind. No matter what size tires you have on your bike. In addition, it can be washed whenever you like INSTALLATION STEPS-- 1. Insert the front wheel into the bike wheel cover; 2. Stuffed the pedal part into it; 3. Slowly put the rear wheel in again; 4. Adjust the elastic band of the upper part appropriately to fit better.