These premium bookmark sleeves are made from acid-free, 8 gauge polyvinyl material. Dimensions are 2 1/4" x 6 1/4", plus a triangular hang tab at the top that has a 1/4" hole for a tassel attachment. Photo shown is a bookmark by Diane Cademartori inserted into the bookmark sleeve, accompanied by a Dreamlit shuttle. Bookmark pattern is by Mary Konior, Curds and Whey, from the out of print book Tatting With Visual Patterns. (SLEEVE-01)