Number of layers (specification):

Upgraded second-generation three-layer long 60 black (tempered glass cabinet door)

Upgraded second-generation four-layer long 60 black (tempered glass cabinet door)

Upgraded second-generation five-layer 60 black (tempered glass cabinet door)

Upgrade the second generation three-layer long 80 black (tempered glass cabinet door)

Upgraded second-generation four-layer long 80 black (tempered glass cabinet door)

Upgraded second-generation five-layer long 80 black (tempered glass cabinet door)

Upgraded second-generation three-layer long 100 black (tempered glass cabinet door)

Upgraded second-generation four-layer long 100 black (tempered glass cabinet door)

Upgraded second-generation five-layer length 100 black (tempered glass cabinet door)