BREATHABLE COVER: The pillows' shell is made of breathable and skin-friendly microfiber fabric, provides a smooth, soft surface; Piping along the edge creates a neatly tailored look SUPERIOR COMFORT: Down alternative fill for a comfortable plush feel, a great option for allergy sufferers. You'll fall asleep fast and wake up feeling fully recharged and ready to take on the day Fluffy & Supportive: These set of 2 king size bed pillows are made with a great balance of supple softness and plump firmness, help to reduce neck pain and alleviate shoulder stiffness No Shift Construction: Whether you're side sleepers, stomach sleepers or back sleepers - our cooling pillows for sleeping can accommodate! The plush bounce-back design will shape to your favorite position.