This 100% cotton woven sheet is hourglass designed with an envelope style opening in the back center specially made to fit the Halo Swivel Sleeper Bassinet. The fabric is an approximate 280 thread count, for a durable, and comfortable, long lasting sheet. The safety and comfort of your baby is our top priority. These sheets are so durable that they will last all through your babys growing years. At Sheetworld we produce the highest grade sheets on the market today. Features a Solid Aqua Woven print. Size: 17 x 30.