Why we love this..100% cotton sateen cover. Hypoallergenic polyester fill. Firm support - additional support to fill the space between the shoulders and the head. Ideal for all sleeping positions. Down alternative 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 Firm Support Bed Pillow is sold separately.