PCHLife 101342K Bamboo Pillow King, 4.8 Pound Outer cover is made of bamboo fiber- 40% bamboo, 60% polyester; Pillow - shredded memory foam Prevents common sleep disorders including snoring and insomnia, as well as providing relief for TMJ, neck stiffness, asthma, and headaches Hypoallergenic Provides the Plushness, Breathability and Shape ability of Downwith the support of Memory Foam Allows the sleeper to thin out or fluff up for more support so that every user can find the perfect support and height for stomach, back and side sleepers