IK King Bamboo Pillow hypoallergenic zippered Rayon from Bamboo cover allows for a cool, pleasant night of deep sleep! Helps to relieve snoring, insomnia, asthma, neck pain,TMJ and migraines. Enjoy a better night of sleep with IK from Bamboo comfort! Filled with shredded memory foam, with an ultra-soft, temperature regulating cover made of viscose made from bamboo.