This ad features (1) one GB PARTY BOWL glass slide head piece bowl for your water pipe with an OVERSIZED BOWL. Over-all this slide bowl is about 2 1/2" long (includes 1" long joint area), 1 1/2" outside diameter and has a 14mm male joint size with the shown gripping features. The actual tobacco bowl part of the slide is a deep extended hemisphere shape that is about 1" in diameter at the top surface and about 1" in depth.
This item is a hand made glass art item (vs. exact machine made duplicate) and as such will vary in exact size, color and features (but will always fit a 14mm joint).
Note: The pictures show multiple examples of the slide bowl but the price is for 1 (one) slide bowl.
Good quality glass construction and good looking.