20 oz. Double wall insulated tumbler made with eco-friendly wheat straw fiber. Wheat straw fibers create a natural pattern, making no tumbler exactly alike. Color matched pressure lid with slider lock allow for spill free travel, but easy open spout for drinking. Not microwave or dishwasher safe. *Disclaimer: Due to the natural fabrication of wheat straw, colors and surface texture may affect clarity of the imprint from product to product.