vinyl flooring 100% waterproof, environmental protection (E1), abrasion resistance(AC5), click system, sound reduction(-30DB) vinyl flooring1.100% waterproof & enviormental protection. ... Easy-to-clean (washed by water).5. Easy-to-install (click system over 4 sides, without the using of keels, nails ... , hospital, supermarket and indoor stadium, etc... waterproof vinyl flooring, click, AC5, class33, IC3