This 100% cotton jersey knit sheet is hourglass desinged with an envelope style opening in the back center specially made to fit the Halo Swivel Sleeper Bassinet. The fabric weight is 165 gsm (grams per square meter), for a durable, and comfortable, long lasting sheet. It is softer than your favorite t-shirt, and as soft as flannel. The safety and comfort of your baby is our top priority. These sheets are so durable that they will last all through your baby's growing years. At Sheetworld we produce the highest grade sheets on the market today. Color is a solid Organic White . Size: 17 x 30.