Clara Clark Rayon made from Bamboo Shredded Memory Foam Pillow, King / Cal King Size, 6 Pack Bundle and save, pack of 6 king/cal king size 19" X 36", each weighs approx 6.5 lbs. Zippered removable cover 40% bamboo ryan 60% microfiber, inside fill 100% shredded memory foam. Stay cool breathable design, natural supportive alignment, may reduce snoring, migraines, back and neck pain. Easy care, durable, machine washable on cold, dryer safe on low heat. Hypoallergenic, antibacterial, and dust mite resistant.