18 pcs Thick Glass Cupping Set

I'm not sure if it's hard plastic or tempered glass.These are brand new.These are heavy. Pls ask questions before buying as there is no returns please leave feedback once received as I try my best in my condition to describe everything to the best of my knowledge I sell for a wide variety of individuals and if theres anything you may be looking for by all means ask because I have so much to offer For my protection I take pictures of items before they are sent out so there is no discrepancy