Made of 100% polyester felt * Non-abrasive Heavy Duty Felt Pads * Suitable for protecting surfaces from marks and scratches * Each pad is 3/16" thick with adhesive backing * Package includes : (192) 1" (25mm) self-adhesive felt pads; (32) 1 1/2" (38mm) self-adhesive felt pads; and (4) 5 7/8" x 8 1/2" (149.225mm x 215.9mm) Sheets