100% Polyester DUAL-SIDED SOFT BED PILLOW: Features a gently arched side that provides optimal support for back sleepers and a flatter, more traditional side for personalized comfort for stomach and side sleepers PRESSURE-RELIEVING MEMORY FOAM: Signature TEMPUR material effortlessly adapts to your unique shape for superior head, neck, and shoulder support so you can wake up feeling refreshed ULTRA-ADAPTIVE MATERIAL: Quickly returns to its shape in the morning and will retain its shape over years of quality sleep, offering superior support at night and alignment after a year MACHINE-WASHABLE COVER: Low-profile pillow is protected by an ultra-soft and breathable 100% polyester hypoallergenic cover that can be removed and machine washed as needed for easy cleaning STANDARD SIZE PILLOW: Perfect fit for twin or double beds, offering plenty of room to rest your head comfortably with dimensions of 23.5" L x 17" W x 5" H.