Help your children to sleep with comfort using these extra soft Microfiber Material Compact Size Wrinkle Free Crib Sheets. These 100% microfiber crib sheets are made of a gentle, breathable material. Your children will sleep with ease as they relax against the compact size fitted sheets. The sheets are wrinkle free and easy to wash. Sheets measure 38"L x 24"W x 3"H and fit 3" mattresses.