Perfect gift for little ones! These are 12oz small Double Wall Acrylic Kids Tumblers! They are the perfect size for little ones! The tumbler is made from high-grade 100% BPA free acrylic plastic. It comes with a secure twist-on lid with inner seal ring (to prevent leakage), and reusable plastic straw with slip stopper. You are able to choose a color and font style for the name. Please note: These tumblers are to be hand washed ONLY. They are not dishwasher safe, microwave safe, and they cannot soak in the sink!