Otis Bed – Galaxy Mattress.The Galaxy Mattress is the worlds first premium foam encased innerspring platform bed mattress. While nothing lasts forever, this mattress is engineered to keep its shape and resist change in firmness on the edge and other critical sitting and sleeping areas better than any cotton based mattress construction, and features more resilient top quality cushioning materials. This mattress offers exceptional comfort and support. Features: Comfort level: delivers a lively, strong and firm feel that will not bottom out Durability: 10-15 years, designed for everyday use Thickness: 8 (14 of overstuffed goods compressed to fit inside an 8 border) This mattress goes best with platform, day, or bunk beds Mattress Construction: 7.5 oz. twill fabric provides proper strength to hold tuft in the mattress A dense layer of polyester gives the mattress a clean finished look Machine tufting reduces the thickness of the mattress to lock in its go.The Size is Twin / Chair.The Size is Full / Double.The Size is Queen.The Comfort is Firm.The Material is Fabric.The Thickness is 4.The Thickness is 6.The Thickness is 8.The Thickness is 10.The Brand is Otis..