rust-, can be cleaned by water Rotating double-sided blade for adjusting the angle easily and fitting the contour of your face Open type back net, easy to discharge the residual hair No harm to the skin with round teeth of the blade Glide coating and rounded tips protect your skin;Trims, edges, and shaves any length of hair Electric cleaning brush This shaver head is replaceable. Regular replacement of razors can be hygienic. Even if the shaver head is broken, you can replace it with a one. Colour:Silver+blue Material:Metal + plastic Package Contents: 9x Shaving head Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.