THE WORLD OF ERIC CARLE - We have teamed up with The World of Eric Carle to offer a new full cover KinderSheet design containing beloved characters from Eric Carle's most popular books, including "Beautiful Butterfly" EASY TO CLEAN - This Original KinderMat Full Cover Sheet is machine washable making sure you have a clean and sanitary rest experience HIGH QUALITY MATERIALS - The Original KinderSheet Full Covers are made from 100% soft flannel cotton providing for long lasting comfort FITS REGULAR SIZED KINDERMATS - this full cover sheet is 47 inches long by 22 inches wide and fits KinderMats from 5/8 inch thick to 2 inches thick (compatible with Basic Kindermats, Jr. Daydreamer, and Toddler) CERTIFIED AND SAFE - this Original KinderMat Full Cover Sheet is KINDERGREEN CERTIFIED meeting the highest levels of regulatory safety standards and compliance with international ethical supplier guidelines