1.100% waterproof 2.zero formaldehyde in core materials 3.sound-insulation (with mute cavity) 4.fireproof ... .The merits of our Eviar’s eco-wooden flooring 100%waterproof suitable for bathroom,kitchen and humid place Abrasion-resistantAC3-AC4Sound insulationMute ... Net weight:1.25kg/pcD. Finishes: as many choices as laminate flooring, such as walnut, black walnut, cherry , rosewood, sapeli, oak, teak ...