SNW Luxury Bedding Set 3 PCS Bedding Collections Cotton Students Dormitory Children Printing Floral Cartoon Pattern Concise Design Quilt/Duvet Cover Set Twin Size Included: 1 Duvet cover,1 Flat Sheet,1 Pillowcase(3PCS) Twin size: Duvet cover: 59* 82.7 inches. Flat Sheet: 70.9* 90.6 inches. Pillowcase: 18.9 * 29.1 inches Made of 100% cotton percale for strength and softness. A duvet cover is a hollow spread that you put your own quilt, comforter or blanket in it. The size should be close to the same either one you choose. With the duvet if you have a fluffy down comforter you can get that puffy full look. :) Picture of the pillowcase and the duvet cover may be different to the photograph due to the random cutting.