Arcatek Glass manufacturers some of the thickets glass bongs on the market. The bases on some of their bongs are an inch thick! Which means you never have to worry about setting these bongs down too hard. Arcatek Makes some very unique perc combinations that will filter the smoke perfectly, allowing for some tasty hits every time. Each piece is engraved with the Arcatek Logo which adds a bit of color to these already outstanding glass bongs.