Tatami: the traditional Japanese bed base for your Futon. 100% natural. Tatami: 100% natural - 80 x 200 x 5.5 cm - 31.5″ x 78.74″ x 2.17″ (W x L x H), price per unit
Amazon.com: Kodiak Furniture Monterey Futon Set, No Drawers, with Barbados Base and Linen Stone Mattress : Home & Kitchen