Avery Heavy Duty Labels - Silver (20 Sheets, 10 per Sheet) Silver equals stylish when you use these heavy duty labels for electronic components Protect your property with these unique peel and tamper proof labels from Avery If an attempt is made to remove the label, the material disintegrates, making removal virtually impossible and tampering immediately obvious These permanent labels are oil, dirt and UV resistant, water and tear proof, temperature resistant between -20C and +80C