Add button holes or some other type of hole at the top on the short side of the cloth. NOTE: If a furniture store is willing to share with you their upholstery samples, they are usually about the right size and already have the holes at the top!
8. Loop ties through top holes. Put both ends of one tie through the hole. Then put ends through the loop created by the rest of the tie. Pull tight. Repeat step 7 for the other hole. (Recipient will use the string ends to tie the bag onto their wheelchair.)