Sweet Pea 100% organic jersey cotton crib fitted sheet is super soft, stretchy cotton sheet you can easily put on or off the crib mattress. Standard fitted crib sheet size: 51 x 27 x 8 It includes a matching drawstring bag which you can use to store your clean sheet when not in use. Organic material ensures it contain a minimum of 95% certified organic fibre. Standard 100 by OEKO-TEX fabric ensures it is tested for harmful substances. It is safe for sensitive skin.