Mickey Mouse sheets for a crib are available for purchase at Kmart and Babies R Us as of 2015. Both stores offer such products online and also at select stores.
The product "M is for Mickey!" is available at Kmart. It consists of a light blue background with patterned images of Mickey Mouse, the letter "M" and silhouettes of Mickey's face in various colors including light green, blue and white. Babies R Us carries the "Go Mickey" sheet, which has a white background and silhouette shapes of Mickey's face in bold colors including aqua, navy, gray, bright blue and orange.