Introducing the reversible Wolf Mateo Double Sided Innerspring Foam Mattress . This double-sided mattress includes comfort layers on both sides of the coil system. It features 336 high profile innerspring unit which is foam encased for added comfort and durability. The inside features a bonded center third posture pad for extra middle support, while the stretchy knit quilt has pressure relieving convoluted foam. This mattress is made in the USA and includes a 10-year warranty. Simply select the size you need. Dimensions: Twin: 39L x 75W x 11H in. Twin XL: 39L x 80W x 11H in. Full: 54L x 75W x 11H in. Queen: 60L x 80W x 11H in. King: 76L x 80W x 11H in. About Wolf Corp. This product was designed and manufactured by Wolf Corporation. Creating Sweet Dreams Since 1873! Foam encased mattress that comes compressed, rolled and boxed for easy shipping and easy installation. Made in the USA!