JAM Paper Clear #12 Cello Sleeve Envelopes with Self Adhesive Closures are made out of smooth, high quality, cellophane plastic. In this pack, there is an even total of 100 envelopes. Each one opens on one of the shorter ends. These envelopes feature straight flaps and reliable, easy to use, self-adhesive peel and seal closures! These sleeve envelopes are entirely transparent which allows their contents to be completely visible from the outside. Use these clear cellophane envelopes for lists, schedules, prizes, and more! Details: Clear 4.375" x 12.25" 100 cello sleeve envelopes Self adhesive closure Cellophane plastic