60% Polyester / 40% Bamboo Rayon Imported ???HEIGHT ADJUSTABLE LOFT??Heights of the higher contour and lower contour are 4.7 inches (12 cm) and 3.9 inches (10 cm). After removing the middle layer, you will get 3.7 inches (9.5 cm) and 2.9 inches (7.5 cm). Unique adjustable design makes this pillow to be the best option for all kinds of sleepers (side/ back/ stomach). Four different height options offer you the best sleeping experience you will ever need. ???PREMIUM QUALITY MEMORY FOAM ORTHOPEDIC PILLOW PROVIDES BEST DEEP SLEEP EVER??CertiPUR-US Certified Memory Foam is a YES to environment friendly. Chiropractor recommends contour design instantly molds to your unique shape and position for constant pressure point relief and proper spinal positioning ?C Let you awake with more refreshness and energy without any stiffness or soreness. ???TOP QUALITY OF THE LINE MICROFIBER REMOVABLE AND WASHABLE COVER??Super soft, premium quality microfiber pillowcase cover zips right off for easy machine washing. The cover is also super soft and allergy sufferers absolutely love this pillow. The superior material maximizes the breathability of the case and ensure the coolness for long time usage. The pillow leads greater ventilation and helps keep you cool all night long for the best sleep ever! ???AIR OUT??In case you experience an odor which is a ??Fresh Foam?? odor and it is not harmful. The odor should dissipate within 72 hours from when the foam is unpacked and aired out. In some rare cases it may take up to 2 weeks for the odor to fully dissipate. ???CUSTOMER SATISFACTION GUARANTEED??If for any reason you don??t get the deep, healthful sleep that you deserve, simply send it back for a refund, no questions will be asked.