Our Serenity Bamboo mattress pad will appeal to your sense of luxury. This mattress pad is covered in soft and supple 260 thread count 100% bamboo, and filled with 100% bamboo. All natural and possibily the best mattress pad you will ever have. Bamboo is increasingly popular as a fiber for basic bedding due to it''s soft hand, it''s durability, and it''s natural wicking properties and breathability. Stay warm under the covers, but you won''t overheat because of bamboo''s natural breathability. Serenity is the very first all-bamboo based mattress pad. And bamboo is one of the most sustainable of all textile making materials. Some species of bamboo can grow 36 inches in a single day. That"™s one inch every 40 minutes! Discover bamboo and say good bye to polyester! 8 oz per square yard fill.