UHU-UHU Tac: Removable Adhesive Putty. This is a reusable putty that adheres instantly to just about any surface: paper, wood, tile, glass, metal, plastic, cinderblock and more! Easy-to-use alternative to tap, nails, tacks or staples. Safe, Clean, Non-toxic. Conforms to ASTM D4236. This package includes 2.12 ounces of adhesive putty: approximately 80 tabs. Imported.