Glassware
Teacup
Wide and shallow on a saucer, which cools a brew faster than a mug of the same volume. That is a feature where the tea was made at boiling point.

Teacup and saucer MET DP223040.jpg by Union Porcelain Works
CC0 · Cropped, white-balanced, graded and re-encoded to WebP by eXir.
CC0 · Cropped, white-balanced, graded and re-encoded to WebP by eXir.
An empty, decorated porcelain teacup on its matching saucer
Capacity
To the brim200 ml
Every drink below was checked against this figure at build time. A recipe that does not fit its stated vessel fails the build rather than shipping.