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.