... and anti-erosion(9)Moisture-proof ,aging-proof,water-proof,fireproof(10)Innerpacking:10pcs/shrink wrap Features: ... assembly .surface even,without gap when concatenatedwearing resistence, water proof, flame retarding, aging resistence,smoothness,flatness,moth- ... weight and easy installationApplication:1)Household: Wall and ceiling of indent independent housebathroom2)Public and Management Place :Toilet ...