This ad is for 1 (one) 14.4mm GLACIER ICE FREEZE slide bowl with a freezable center section, clear glass grip, built-in snowflake screen and lower slide joint. Over-all this slide bowl is about 2 1/2" long and has a 14.4 mm male joint size. The actual bowl part of the slide is a 3/4" diameter (at top) x 1" deep tapered and stepped cone shape with a flat bottom and a permanent snowflake type glass screen at the bottom. The freeze section is about 1 3/8" in diameter x 1" thick, Good quality glass construction and good looking. A great gift for yourself or your friends. This product is for tobacco use only.