School Smart Multi-Purpose Sawtooth Picture Hanger, 1-7/8 X 2-1/2 in, 2-3 lb, Polypropylene, Pack of 100 School Smart Sawtooth Picture Hanger measuring 1-7/8 in x 2-1/2 in is made of heavy-gauge polypropylene. Multipurpose, pressure sensitive sawtooth picture hanger is perfect for hanging shrink-wrapped, laminated or mounted artwork. Sawtooth picture hanger helps in affixing artwork by simply peeling off paper backing. Easy-to-use, self-leveling sawtooth picture hanger features industrial adhesive providing a strong durable bond that does not dry out or fall off and is sold as a pack of 100. Multipurpose, pressure sensitive hangers made of heavy-gauge polypropylene For hanging shrink-wrapped, laminated, or mounted artwork