Our 16 oz Rise Tumbler is designed with ergonomic contours, earthy colors, and a wide range of uses inside and outside the home.Insulated tumbler and cup made with 90% certified post-consumer recycled 18/8 stainless steel, with Climate Lock™ insulation for hot or cold drinks, coffee, cocktails, water, and more.The tumbler fits in most cup holders.Not leakproof, not an airtight product.