Adopting the first patent product in the world--Lastic of lien Pie in America, whose elasticity is very strong, lasting and durable, with particular compressed. Selects bamboo-carbon in good quality, with high-temperature treatment. The mattress could produce promoting human health bearing Far Infrared Ray, with the function of moisture proof and air-depurate. If you use long, it will do good for rheumatism and hyper susceptibility. Magic bamboo-carbon bedding is the prove of your comfortable sleeping.