Pioneer Auto Mounts Dispenser with 350 Photo Mounting Double Sided Self Adhesive Squares (2 pack) Easy to use dispenser offers precise placement of adhesive squares Simple one-handed application; no cumbersome backing to remove Acid-free formula won't harm pictures or paper; perfect for scrapbooking Includes 350 permanent adhesive photo mounting squares Measures approximately 4 by 2 by 3/4 inches