Harry Potter Slytherin Two-Handled Bowl Scottish Quaich Two-handled Hogwarts School Slytherin House bowl. Scottish quaich styled, derived from the "common cup" of the middle ages. 7.75" wide from handle edge to handle edge, 3.25" tall. 5.5" diameter bowl area. Holds 16+ ounces. Made in 2000 only. No longer in production.