Fits standard size Crib Mattresses 52” x 28”. Our Bamboo Premium Fitted Crib Sheet is the perfect addition to any baby’s nursery. Super soft infant standard crib sheet in our Neutral Rainbow design. Includes matching storage bag. • SOFT & COMFY - Made of 95% Viscose from Bamboo, 5% spandex. Bamboo muslin is ideal for babies with sensitive skin. It is light and breathable, but yet keeps baby warm without overheating. Bamboo is absorbent, wicking moisture away from skin much faster and keeping baby dry and comfortable. Bamboo also has anti-microbial bio-agents. • SLEEP SAFELY - When putting baby to sleep, bare is best in the crib. Remove quilts, comforters, pillow, toys and other soft items.