High intensional lining steel (>1.5mm) Durable, High tightness, no crack after long-time usage Easy to install and clean Material: PVC (Oriented for both European and American market), Glass, Grid Glass: Double clear safety (Nitrogen-gas Filled, Low-E, French Green, Tinted, Clear Tempered, Frosted, Double Strength, Float, One-way Mirror For choice)Colors: White (Green and Wood-aluminum for choice ...