SNW Luxury Bedding Set 3PCS Bedding Collections Cotton Zebra Stripes Solid Color Quilt/Duvet Cover Set(3pcs with only one solid color pillowcase ) Twin-size set: include 1 Duvet cover,1 Flat Sheet,1 pillowcase(3PCS)(with only one solid color pillowcase ). Full/Queen size set: includes 1 Duvet cover,1 Flat Sheet,2 pillowcases(4PCS)(With 2 Pillowcases,1 Zebra Stripes and 1 Solid Color) Twin-size: Duvet cover: 61 * 82.7 inches. Flat Sheet: 70.9* 90.6 inches. Pillowcase: 18.9 * 29.1 inches Full size: Duvet cover: 78.7 * 90.6 inches. Flat Sheet: 98.4* 98.4 inches. Pillowcase: 18.9 * 29.1 inches Queen size: Duvet cover: 86.6 * 94.5 inches. Flat Sheet: 98.4* 106.3 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. :)