About this item40% Viscose Rayon (from Bamboo) and 60% PolyesterUNMATCHED SUPPORT – Crafted with 100% shredded memory foam. Memory foam pillows match the natural curves of your body to ensure superior comfort. With balanced support of the head, neck and shoulders, it relieves neck and back pain, relieves shoulder stiffness, helps muscles relax and enhances sleep.LUXURY FABRICS – The pillow cover is specially made with 40% Viscose Rayon (from Bamboo) and 60% Polyester, that provides breathability and softness. The soft material will allow you to stay cool during the night. The zipper cover is machine washable which make cleaning easy.SIDE 4D MESH DESIGN – More comfortable than normal pillow sleep, 4D mesh design has more powerful ventilation and heat dissipation, which can speed up the heat flow inside the pillow, let you say goodbye to sultry and have a better sleeping environment.FOR ALL SLEEPERS – Its unique adjustable-height design allows it to be perfect for all kinds of sleepers (side / back / stomach). Removable filling allows users to feel a more custom and unique sleeping experience. Sleepers can all benefit from the ergonomics of our customizable bed pillow, allowing edge-to-edge support, which can help reduce neck and shoulder pain, while ensuring maximum comfort.SATISFACTION GUARANTEE – Our pillow is made WITHOUT any harmful material. We offer a one year warranty to protect against any defects. If you are not happy with it for any reason, just contact us to return the pillow for a full refund. NOTE: This pillow is rolled up in a NON-SEALED plastic bag to remain its rebound ability, there may be a natural non-toxic foam odor upon unpacking, please leave it on a flat and ventilated area for 24 hours before first use.