iPrimio Premium Clean Room Sticky Sheets 18x36 Includes 4 Packs of 30 Sheets - 120 Total Sheets (White) Recommended for food packaging, medical and manufacturing facilities. White. Remove and trap unwanted dirt, dust and debris from shoes Use each sheet many times before peeling off. 18 inches by 36 inches. Keep sanitary-sensitive areas free and clear of foreign substances Tacky polyethylene surface. Highest Quality by iPrimio. We sell 5 Star Products.