1) the smooth, translucent in

(2) is non-toxic and tasteless, corrosion resistant, durable, life of ten years or more.

(3) toughness slip not a knife wound, beautiful appearance, no water, no bacteria, not moldy

(4) against Escherichia coli, Staphylococcus aureus, and yellow green mold to resist the ability to reach 99.6%

(5) is easy to clean, clean water and a red face as new.

(6) with moderate hardness, can chop chop bone filling

(7) polyethylene resin, pigment is clear, without any pigment, safety and environmental protection to ensure safety