Color classification
15.75in*7.87in*4.72in Black two layers(Two layers)
15.75in*7.87in*4.72in White two layers(Two layers)
15.75in*7.87in*4.72in gold two layers(Two layers)
15.75in*7.87in*4.72in black three-layer(Two layers)
15.75in*7.87in*4.72in White three layer(Two layers)
15.75in*7.87in*4.72in gold three-layer(Two layers)
15.75in*7.87in*4.72in black four layer(Two layers)
15.75in*7.87in*4.72in White four layer(Two layers)
15.75in*7.87in*4.72in gold four layers(Two layers)