Sleep Studio Perfect Harmony Foam Core Pillow, Set of 2 Dual foam core/fiber construction provides the firm but comfortable support you need with all the softness you desire Foam core prevents the pillow from bottoming out the way fiber-only pillows do Polyester gel fiber outer layer cushions your head and neck Great for side sleepers or anyone who prefers firmer support Pillows are covered 200 thread count 100% cotton and can be machine washed and dried