IRIS OHYAMA Reversible joint mats with soundproofing and shock absorption, 30cm x 30cm size 18 pieces (for approximately 1 tatami mat) 2 sets - Type: Reversible - Size: 30cm x 30cm - Number of pieces: 18 pieces x 2 sets - Thickness: 18mm - Features: Soundproofing, scratch prevention, shock absorption, washable, non-slip - Colors: White, Dark Brown Thank you for viewing. I stopped using these mats because my child immediately took them apart and played with them. I washed them, but there are scratches and stains. In the 6th photo, one piece was cut because the size didn't fit. Both sets together Only one set is not available. Kids space Children Childcare Children's room Cold floor protection