The Bamboo Pillow is made of feather cut memory foam so that any kind of sleeper can use it. Great for neck pains, back pains and so much more. The pillow molds and contours with the sleeper to help properly align them to ensure a longer, deeper, more restful sleep. Each pillow includes a bamboo liner which is a natural anti-bacterial, anti-microbial, and anti-fungal so it will repel any kind of dust, dander, etc. from getting into your pillow. Bamboo is a natural cooling material and does not retain heat. The pillow as well as the liner are 100% machine washable in cold water.