Product Size: 39" x 83" x 3" (Come with tatami mattress) Packing size: 29" x 40" x 3" Weight: 11 lbs. (Batting Weight: 3.3 lbs, Katawata Weight: 5.5 lbs) Fabric: 100% Cotton. Stuffing: 100% Polyester Sweat fast drying young use of a three-layer volume mattress...