Vinyl pressure sensitive. Easy to apply material that allows label to be moved and replaced with no sticky adhesive residue. Base of adhesive 3.2 mil vinyl to be used on flat faced shelving. Peel off liner for flat faced or leave liner on to snap into C price channels. Perforated every 11-7/8 in. Fits into 1-3/16 in shelf channels. 1-3/6 in x 200 ft roll.