Standard comics - 1970's-90's. Works with 700FB. Package of 50 sleeves.
Made from 2 mil thick Mylar D®. Dimensions are 7-1/4" x 10-1/2" plus flap. Flap can be folded over, tucked in, or taped closed.
The 2 mil sleeves are twice the thickness and 4 times the protection of 1 mil thick bags. The most popular Mylar sleeve.