Turn anything into a " Clingy Thingy" with these special adhesive squares. One side has an adhesive backer to adhere to any picture or object. The other side has a cling backer to attach to any smooth surface. Squares measure 1" . Each pack includes 50 pieces.Clingy Thingies® are made with a special cling technology. They are not sticky to the touch, yet they stick to any smooth surface and can be easily removed. You can even use water to rinse lint or dirt off the back surface. Clingy Thingies® can be used again and again without leaving any mess or residue. They also feature a write-on/wipe-off surface, perfect for notes, labeling, and reminders.