StoreSMART - 12" x 18 1/2" Non Adhesive Pockets - Open Long Side - 25 Pack - PE3871L-25 Made of 8-gauge crystal clear vinyl for ultimate visibility. Open on the long side with a 1/4" lip. Overall size: 12 3/8" x 18 7/8". Interior capacity: 12" x 18 1/2". Proudly manufactured in the USA.