Surface Safe ID Labels, 4 x 6, White, 2/Sheet, 50 Sheets/BoxLabels feature a special adhesive that's engineered to stick strong and remove cleanly from smooth hard surfaces including metal, plastic and glass. The durable, professional grade material resists water, chemicals and abrasion. Also provides superior barcode scanning. Great for use in warehouses, offices, factories, hospitality and more. The removable adhesive sticks securely but removes cleanly for easy, on demand changes. Simple to customize with