39" Wx80 Lx3 H Twin Size Japanese Mattress- Tatami Floor Mat, Thai Massage Bed, Floor Bed Polyester 3 Inches Thickness. Size: 39" x 80" This item is made to order in the USA Cover: 100% Polyester (Spot Wash Only) Includes ties to secure roll up for storage Fill Materials: Cotton batting and one 1/2" layer of foam in the middle