Bear Motion for iPad - Premium Felt Sleeve Case for iPad 2 / iPad 3 / iPad 4 with Retina Display Specifically designed for protective cover for iPad 2 / 3 / 4 Great for organizing your potable electronics on the go. Soft yet durable for great protection A piece of leather string is tied to one button. You use it to fasten the front cover by tying the other end of the string to the other button. If you are tired of the leather string after a while, you can always change it to any yarn or flex fiber string that you can get in any craft store.