100% Jersey Cotton. Measures 27 inches x 39 inches x 4 inches. For up to 3 inch thick playard mattresses. SOFT. Our Value Jersey Playard sheets offer a warm, tee shirt like feel for exceptional comfort. SELECTION. Available in a variety of colors to match any style. QUALITY. Snug with 4" deep pockets and elastic trim for a great fit. Machine Wash cold. VALUE. Quality and style at a great price.