Silky, smooth, gel coated fiber which is both heavy weight and resilient, the Cumulus Pillow 2 Pack from I Love My Pillow, has a 100% pure cotton cover with DuoLoft™ Fiber by DuPont. Both moisture wicking and soft, this pair of pillows is cool, durable, and responsive. Incorporating a luxurious down "feel", these pillows are also hypoallergenic and machine washable for easy care and maintenance. Only the finest, high quality materials are components of the pillows' construction. Give them a try and see why they are an I Love My Pillow exclusive. 3 year manufacturer's warranty.