Made of 100% cotton. Colorful Dr. Seuss ABC design. 10-inch deep pockets, entire elastic opening. Machine-wash cold on gentle cycle. Dimensions: 52L x 28W inches. The Trend Lab Dr. Seuss ABC Flannel Crib Sheet adds a pop of color to your childās resting area. Made of 100% cotton, this comfortable crib sheet features a fun Dr. Seuss ABC design in a variety of colors. For a more secure fit, an elastic band surrounds the entire opening of this sheet. Machine-wash cold on a gentle cycle to maintain the softness of this fitted crib sheet.