Color classification
Frosted Gray low back-dark gray (Silent design to reduce abnormal noise).
Frosted Gray high back-dark gray (Silent design to reduce abnormal noise)
Frosted Gray low back-Chris Gray (Silent design to reduce abnormal noise).
Imitation wood grain low back-Chris Gray (Silent design to reduce abnormal noise)
Frosted Gray high back-Chris Gray (Silent design to reduce abnormal noise)
Imitation wood grain high back-Chris Gray (four-leaf clover + mute design to reduce abnormal noise)
Frosted Gray high back-modern Gray (four-leaf clover weaving method + Silent design to reduce abnormal noise)
High back hanging tree style-Chris Gray (Silent design to reduce abnormal noise)
Short back hanging tree-Chris Gray (Silent design to reduce abnormal noise)