Color classification
(13) high spread side open (no bottom plate) box bed Y00B72
(2) High-spread positive opening (with bottom plate) box bed Y211B09
(1) High-spread positive opening (no bottom plate) box bed Y211B09
(3) High spread side open (no bottom plate) box bed Y211B09
(4) High spread side open (with bottom plate) box bed Y211B09
(7) low spread side open (no bottom plate) box bed Y211B10
(8) low spread side open (with bottom plate) box bed Y211B10
(12) low spread side (no bottom plate) box bed + mattress (8.66in thick J56 hard H2)Y211B10
The size option is the inner diameter, and the actual occupied space is calculated as the outer diameter.