Color classification
Tatami with low floor (no floor) H245B24
Tatami (with bottom plate) H245B25
Tatami (without floor) H245B25
Low-paved box tatami (with bottom plate) H245B24
(3) high paving box tatami (no bottom plate) H83B23
(1) low shop box tatami (no floor) H83B22
(4) High paving box tatami (with bottom plate) H83B23
(2) Low shop box tatami (with bottom plate) H83B22
(6) Low-paved tatami (with bottom plate) + mattress (8.66in thick J56 hard H2)H83B22
(5) low-lying box tatami (no bottom plate) + mattress (8.66in thick J56 hard H2)H83B22
(8) high-rise box tatami (with bottom plate) + mattress (3.15in thick J76 hard H2)H83B23
(7) high-rise box tatami (no bottom plate) + mattress (3.15in thick J76 hard H2)H83B23
The size option is the inner diameter, and the actual occupied space is calculated as the outer diameter.