The Gryphon® sheet collection combines all of the amazing premium qualities of Supima cotton with polyester to create an unrivaled, luxurious experience. Gryphon® sheets utilize a durable 360 thread count, 80% Supima Cotton/20% Polyester weave for a sophisticated and contemporary option to the traditional hotel bed. Gryphon® sheeting products are compliant with the General Service Administration (GSA) to be sold to the U.S. Government.