Lilysilk summer weight silk comforters are made using the most fresh silk floss taken straight out of the repositories of the best silk local farmers. Fluffy and lightweight our silk-floss-filled comforters serve to protect you from the extreme hot and cold as well as all kind of invaders to your bed from bacteria to mites to mold.Cover Fabric: High quality royal cotton or pure mulberry silk.Filling: 100% pure and natural long strand mulberry silk floss.Side Zipper: Small zipper on the side of the comforter for silk floss filling authenticity inspection.Shell Colors Available: White(for silk comforter with cotton shell) or Ivory(for silk comforter with silk shell).The all season comforter is filled with enough high quality silk floss to give you comfort all year round. The amount of silk floss is perfect for use from early spring all the way to late fall - and if your bedroom is well air-conditioned in the winter as well. The silk floss sheets are tacked to the edge of the inside of the cotton cover so you don’t have to worry about the filling bunching up like un-pocketed down-filled comforters do.