Made in Japan, Tatami specialty store "Tatami no Kohin" Purchase: Late April 2024 I purchased one extra, so it's unused. Size: Approximately 70cm x 70cm, Thickness 2.5cm Weight: Approximately 1.8kg Tatami Omote (Surface): Made in Japan, Resin, Mesh Weave (Washable) Core Material: Polypropylene Polystyrene Foam (Insulation Material) Back: Non-slip (Lozenge Pattern) Production Area: Hiroshima Prefecture ★ Fully Washable ★ Resin tatami mats use water-resistant materials. You can wash them with plenty of water and keep them clean. ※ After washing, please dry them completely in the sun or shade. ＜Features of Japanese Resin Tatami Omote＞ ◆ Mold and Dust Mite Control ◆ Waterproof ◆ Durability