Pure Fiber Viscose Derived from Bamboo Sheet Set/Queen/Grey 100% Bamboo Viscose Imported Twill weave 250 thread count Lightweight and breathable Queen - Fitted: 60W x  80L x 17&#034;, Flat: 90W x 102L &#034;, Pillowcases: 21W x 32L&#034; King - Fitted: 78W x  80L x 17&#034;, Flat: 104W x 106L &#034;, Pillowcases: 20W x 40L&#034; Cal King - Fitted: 72 x  84L x 17&#034;, Flat: 102W x 108L&#034;, Pillowcases: 20W x 40L&#034;