Fitted Hospital Bed Bottom Sheet for Twin Size Bed White, Soft Cotton Blend, Wrinkle-free, Deep Pocket (36"x 84"x 9") Machine Wash & Dry - Excellent quality- top selling Extra soft and comfortable cotton blend - Envelope design corners Smooth surface, Has elastic at the short sides (top & bottom) 50% cotton, 50% polyester - 200 Thread Count This item is not eligible for Amazon Prime