Keep Cool: The pillows' shell is made of breathable and skin-friendly microfiber fabric, provides a smooth and soft surface; Piping along the edge creates a neatly tailored look Feel Cloud-like 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 Soft Yet Supportive: These 4-pack standard 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.