Food-grade Plastic, durable, lightweight, non-toxic, reusable. Non-Teflon. This measuring set includes 4 different spoon sizes, 1/4 teaspoon (1.2 milliliter), 1/2 teaspoon (2. 4 milliliter), 1 teaspoon (5 milliliter), and 1 tablespoon (15 milliliter). They are dishwasher safe for easily cleanup, and do not retains smells. Accurate measuring cups and spoons available anywhere you go! Designed to fit in any places like dorm rooms, coffee shop, college apartments, kitchens, restaurant, bakery etc. Measure on the go with our portable.