Stainless steel wine tumbler with a polypropylene liner that holds 12 oz of wine. It is able to deal with hot as well as cold liquids. This item does not contain any BPA, phthalates, lead, or other harmful chemicals. They are constructed of food-grade stainless steel that has been FDA-approved, with a polypropylene liner that satisfies the requirements of California Proposition 65. Must be sold in lots of 50.