1.color:red,yellow,white,black etc. 2.shape:squier,round,irregular etc. 3.usage:floor,wall etc. ... usually used for wall decoration. the details as follow : Namemosaic,mosaic tile,stone mosaicSize305*305*10mmColorBlack,rusty,yellow,greyMaterialSlate,100% natural slate ... balance against the copy of B/L similar products: slate mosaic tile