The Restful Nights Down Alternative Fiberbed has been designed to maximize comfort. This allergy-free Restful Nights Down Alternative Fiberbed will stay very fluffy and smooth for a very long time. The poly clusters are hypoallergenic, but that doesn't do anything to keep dust or mites away. The unique window panel design allows maximum loft and comfort with minimal shifting.Hypoallergenic Polyester Clusters with Extra High Crimp Special Slick Finish 230 Thread Count 100% Cotton Fabric Framed Mock Baffle Box Construction 2 Year limited warrantyColor: White Dimensions: 39 x 75 Size: Twin