Self adhesive smart PDLC film (polymer dispersed liquid crystal film) which is a kind of high-tech product can switch from transparent to opaque instantaneously under electricity application. It is transparent when power on and it is opaque when power off
These safety series max men's chemical resistant boot are 100 percent waterproof. which uses high strength resin powder for increased resistance to degradation from many harsh chemicals. Outsole perimeter is formulated for tough, long-wearing support.