Ultraflex UltraTex® Blockout S335 is a 9.8 oz. textile. The material is composed of 70% polyester and 30% cotton. The product has a polyester finish on one side and a foam finish on the other with a blockout liner in the middle. The unique construction allows for a dual print surface. The fabric may be used for a wide range of indoor applications requiring a blockout effect. Available in widths of 110″.