tempered glass cutting board features: 1,Material :tempered glass 2,Lead-free screen printing or paper sticker 3,Standard size :20*30cm/30*40cm and any size is available 4,Thickness:4mm or 5mm 5, pass the drop test , and its clearly to cut vegetable , fruits and bread 6,Packing : shrink , color box pass the PDA or the SGS test..