|Material||3.5mm Borosilicate glass|
|Color||Black/Teal/Light Blue/Milk Blue|
This scientific bong shows in 2 color and hand blown from borosilicate glass to improve the durability. The scientific bong is the latest standard for smoking.Unbeatable workmanship and high quality can only be found at Boteglass.com. OEM manufacture is wide open at factory price.