Tansu no Gen Joint Mat, Class 1 Soundproofing, Large 59cm, 10mm Thick, 6 Tatami Mats (32 Pieces), Soundproof, Heat Retention, Floor Heating Compatible, Non-Formaldehyde, Baby Play Mat, Floor Mat, Side Parts Included, Blue x Off-White 18700001 (79291) ‐ Mercari: Shop from Japan