TroySys Round Glass Table Top, Custom Annealed Clear Tempered, 3/8" Thick Glass with Flat Polished Edge For Dining Table, Coffee Table, Home and Office Use, 34"L Tempered, annealed, and thick round glass: Our table tops are made of high quality tempered or annealed glass Clear & flat polished glass: This round glass is made from 3/8" thick tempered clear glass with flat polished edges Multiple ways to use: This type of glass is made for its superior strength and safety properties