Why we love this..100% cotton sateen cover. Hypoallergenic polyester fill. Soft support - less loft to prevent forcing the head upward. Ideal for all sleeping positions. Down alternative hypoallergenic polyester fiber fill. 300 thread count. 100% sateen-weave cotton cover. Machine wash. 2" gusseted support layer. Hypoallergenic components. Certified STANDARD 100 by OEKO-TEX®. Standard/Queen pillow measures 26" L x 18" W. King pillow measures 34" L x 18" W. Filled and finished in USA; Imported shell. Each Nestwell Down Alternative Density Soft Support Bed Pillow is sold separately.