Suit for MCM and the same size of other style backpack.Convenient to carry in and out of your all belongings.Keep your backpack clean and tidy. Perfect for working ,travelling, riding or driving a car. Or as a gift for your friends. MATERIAL: Made of high quality nylon material, sturdy, pliable and easy to clean(use wet cloth to wipe ). DESIGN: Open to carry all your belongings. INSTALLATION:Convenient to carry in and out of your all belongings.