MILDILY cotton duvet cover set is made of 100% washed cotton. All cotton bedding is a good choice for your home. Our washed cotton duvet cover sets are super soft, comfortable and suitable thickness so that they can be used all year round. Everyone in the family will like it. Duvet cover are designed to bring better sleep quality.<br><br> Proper care of your bedding is the key to the longevity and look of yourluxury bedding.Here are our tips on how to wash your 100% cottonbedding to keep it looking fresh and beautiful during every wash.<br> WASHING<br> 1.Separate like colors, whites,and dark colors and make sure to only washone unfolded bedding set at a time.<br> 2.Overfilling your washer will not allow your bedding to be evenly washed.<br> 3.Turn pillowcases and duvet covers inside out prior to washing, ensuringthat all zippers are closed.<br> 4.Use cold water with a mild, biodegradable liquid detergent to wash your100% cotton bedding. <br> 5.Avoid fabric softeners, chlorinated bleach, and harsh detergents.<br><br> DRYING<br> 1.Refrain from using high heat on 100% cotton fabrics.<br> 2.Prior to drying, make sure to gently shake out and unravel any bedding tominimize wrinkles.<br> 3.Line-drying your linens should be utilized to avoid wrinkles and protectyour bedding.<br> 4.Please take it out the machine in time to avoid wrinkled.<br> <br> MILDILY cotton duvet cover set includes two size. Queen duvet cover set: 1 piece duvet cover( 90"W x 90"L), 2 pillowcases(20"W x 26"L). King duvet cover set: 1 piece duvet cover( 104"W x 90"L), 2 pillowcases(20"W x 36"L).