1) Material:freshwater shell (pinctada martensii),black-lip MOP shell (pinctada margartitifer),white-lip MOP shell (pinctada maxima),yellow-lip MOP shell, abalone MOP shell,etc. 2) Color:all colors are available because shell can be dyeing,and the natural colors of pure white,white-silver,black-silver,yellow,green are commmon. 3) Sheet's Size:all size are available, and 318mm*318mm,300mm*300mm are common. 4) Chip's Size: 2.5*25*25mm;2.5mm*25mm*25mm,2*10*20,2*20*20 5) Chip's Shape:square,rectangle,hexagon,circle rhombus. 5) Usage: as decorative materials of bathroom, kitchen room, wall tile, table top, furniture ,etc. 6) Backing Material:Mesh, Ceramic,PVC,Plywood.