Super soft pillow features 95% Latex obtained from the sap of rubber trees. Latex is a superior rebounding material that is perfect for pillows as it promoted postural alignment while you sleep, and gently supports your head and neck for unbelievable comfort. It bounces back to its original shape after each night's rest. Air pockets within the material increase breath-ability, keeping you cool and dry throughout the night. Suitable for asthma sufferers. Comes with dual protection covers with zippers as shown in pictures.