G.E.T. This melamine 7-1/2 oz. conic stacking tea / coffee cup. is NSF listed and made with the same superior stain and scratch resistant materials as Supermel. Slightly lighter weight than regular Supermel and it is designed for a more economical budget.This melamine conic stackable tea / coffee mug is safe and durable enough for use by any restaurant, cafeteria, school, senior citizen"s home or anyone who wants an attractive, almost impossible to break product!