A Nice Pair Of Baileys Tumbler Style Heavy Glasses, Good Condition

Description

A Nice Pair Of Baileys Tumbler Style Heavy Glasses, Good Condition. Condition is "Used". Shipped with USPS Priority Mail.
Ok how do they make a bubble in the center of the base?
The light bulb shows this is a tall glass made for folks of legal age.
So a fist full for sure.
The logo is not etched I think the word is applied decoration.