23 in. Square clear glass table top can be perfect if you are searching for a pencil surface that may not stain. The table top comes with Pencil Polished edge 3/8 in. (10mm) thickness. 19 in. Pencil Polished Edge, Tempered, 3/8 in. thick Square clear glass table top can be used for office tables, Lobby tables, business meetings tables, Dining tables, Kitchen Table, desk, patio table or coffee table. Recommended: Office tables, Lobby tables, business meetings tables, Dining tables, Kitchen Tables, desk, patio table or coffee table.Available Sizes in inches: 10, 12, 16, 18, 20, 22, 24, 30, 32, 34, 36, 40, 42, 48, 54, 60, Clear glass: 23 in. Pencil Polished Edge, Tempered, 3/8 in. thick Square clear glass table top is Clear glass processed to be as close to perfect as possible through a curing process yields no air bubbles. Tempered Glass: Tempered (toughened through a process of extreme heating and rapid cooling during manufacturing process) glass is two or more times stronger than annealed glass. When broken, it shatters into many small fragments which prevent major injuries. This type of glass is intended for uses requiring superior strength and safety properties while standard glass could pose potential risk of injuries. Pencil Polished Edge: Usually the 23 in. Pencil Polished Edge, Tempered, 3/8 in. thick Square clear glass table top is popular on Oval and Circle glass shapes. The side edge is rounded, which gives it a smooth beautiful look. Color: 23 Inch Square.