Crib sheets fit a standard 28 in x 52 in crib mattress with elastic surrounding the entire opening ensuring a more secure fit. 8-inch deep pockets Machine wash cold with like colors, gentle cycle. Do not bleach. Tumble dry low or line dry. Do not iron. Do not dry clean. The Celestial 2-Pack Microfiber Fitted Crib Sheet Set by Sammy and Lou features a white moon and stars print on a gray background and a "twinkle, twinkle little star" script print in gray on a white background.