Number of layers:

Medium [45cm long]-Ning Xin Bai

Large [length 49cm]-Ning Xin Bai

Increase No. [56cm long]-Ning Xin Bai

No. [61cm long]-Ning Xin Bai

Extra large [length 65cm]-Ning Xin Bai

Big Mac [70cm long]-Ning Xin Bai

small size [length 39cm] [single layer height 21cm] 1 layer without wheels

Color:

3 floors [meet basic needs]]

Floor 4 [Store Manager recommend]]

5 layer [buy a lot of people]]

Layer 1 [No Wheel] can be stacked

2 layers [multi-layer single top cover]]