The comforters that are part of the bed-in-a-bag sets are filled with EcoPure which is a soft and lofty polyfill that has been made from recycled bottles. Martex also offers reversible comforters that are available in 6 different colorways, which are perfect for adding the finishing touch to your bedding collection and are perfect for any decor or mood. These comforters are filled with a polyester and cotton blend to provide you with the warmth you need. Martex was created in 1914, and is a division of WestPoint Home which has been a leader in fashion, brands, innovation, and service for the past 200 years and is a brand you can count on for excellent bedding products. The name Martex was derived from two words that describe their bedding styles - marvelous textiles.