30" Inch Extra White Round Glass Table Top Back Painted 3/8" Thick Flat Edge Polished Tempered Low Iron30" Inch round extra white colored glass table top can be used as a table top to protect a desk, patio table, surface of an existing table, coffee table and bedside table. It's a white back painted Low Iron Glass with extra bright. Available Sizes: 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40. Available Colors: Red, Green, Blue, Black, and White. Tempered Annealed: Tempered (toughened through a process of extreme heating and rapid cooling during the