Peacock bamboo travel cup from Paper Products Design (PPD). Screw top lid with silicon heat shield. 13.5 ounces. Reusable reycyclable food safe refrigerator and freezer safe dishwasher safe. Not microwavable. PPD donates a portion of their sales to multiple charities including Meals on Wheels United Way Animal Rescue Project and Balance for Kids Autism.13.5 OZ