New, Full and fluffy to cradle your neck, the Therapedic Won't Go Flat Side Sleeper Pillow is designed for a better night's sleep. The memory foam core and down-alternative fibers provide comforting support, covered in a silky soft cotton cover. Firm support is ideal for side sleepers 1" gusset creates a higher loft for enhanced support Trillium® down-alternative fiber fill Premium memory foam core 400 thread count 100% cotton cover Spot clean only