The Pulsar Donuts Herb Slide are designed to look like delicious frosted donuts (with sprinkles!). Made with durable borosilicate glass, each slide has a 14mm male joint which is compatible with any 14mm female pipe. Sold as a 12-piece display. *Donut selection may vary* HIGHLIGHTS 12-piece display 14mm male joint Dry herb slide Borosilicate glass Assorted frosted donut designs