A toast: To the world's most environmentally friendly cups! Like all Green Eats tableware products, these colorful, reusable Tumblers are made from 100% recycled plastic milk containers. This ultra-safe recycled plastic has no melamine, BPA, phthalates, PVC, or external coatings. Dishwasher safe too. Packaged using only recycled and recyclable materials. Each tumbler holds 12 ounces, is 4" high, and has diameters of 3 1/2" at the top and 2 1/4" at the base.