1.safety can opener, clean, convenient use, 2.the edge will not hurt fingers, 3.the cover could lay back to the can. The safe can opener is the new series product that develops by us.The advantage is,1.the cover will not fall down into the can and will not pollute the foods;2.the edge both for the body and the cover of the can will not hurt the fingers;3.if foods left in the can, the cover can be ...