Great for when you want to use an alternative adhesive of your choice.Tuff sheets are a PVC Coated Polyester Sheet that is designed to protect and cover your printGRIP sheet when using alternative adhesives or as a blocking material for tank tops, v-necks or other garments. Tuff sheets can be applied, removed and reapplied until the desired time of disposal. Tuff sheets can be used with Spray, Web or Water Based glues.