CRL Protective Bumpads can help keep pictures level on a wall. They can also be used as 'feet' on the bottom of desktop calculators, telephones, clocks, speakers, or computers. Bumpads are excellent padding and cushioning for stacking glass or metal sheets. To use, simply peel and stick. Bumpads are packaged for economical convenience in packs of 1,000, and are also available in bulk cartons of 5,000.