The wheat straw coffee cups are made of natural wheat straw fiber, which is non-toxic, odorless, and eco-friendly. It contains healthy wheat straw, a smooth rim, a nice touch, and is suitable for water, milk, juice, soda, coffee, tea, beer, and more. The reusable and nature-friendly cups are ideal for parties, picnics, everyday drinking mugs, and farmhouse drinking tumblers. They are also very suitable for gifts to friends. Not Dishwasher Safe. Add your club, organizational or company logo or message through your choice of imprint processes to create a promotional item that makes a wonderful gift or giveaway for all occasions and events. Measuring 15oz, this custom portable 15oz wheat straw coffee tumbler with custom logo. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.