This high quality 10” Visco elastic memory foam mattress is constructed with an 8″ 2-lb. high density core base foam laminated to 2″ of medium firm 4 lb slow recovery Visco elastic memory foam and covered in a beautiful soft Bamboo stretch knit cover. Bamboo covers are a fresh and natural choice. They are naturally soft, eco-friendly, anti-bacterial, anti-fungal, anti-microbial and perfect for people suffering with allergies. 10-Year Warranty