This product is of fabulous quality & is manufactured to perfection from 2.9mm steel encased in 3.5mm steel enamel for a beautiful anti-slip finish. Designed to sit flat on the floor to give a wet room-esque appeal, you dont have to worry about tripping over it. The shower tray is incredibly spacious giving you great freedom while you shower which is always important. The finish comes in an awesome city-anthracite grey which coordinates well with other grey or neutral bathroom furnishings. This product comes with an enamel plated waste cover for the central waste outlet in the tray & a 30 year guarantee.