This water bottle is made of sustainable wheat straw fiber, food grade, safe and reusable. Perfect biodegradable mugs for water, tea, coffee, juice, milk, soda, and more. A great promotion giveaway. Custom your color match and create your own coffee tumbler. More information, please send your detailed request for quotation. Measuring 10oz, this custom portable 10oz wheat straw coffee tumbler with carry loop. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: BPA-free, leak-proof, travel-friendly.