These outdoor collapsible cups are made of Food grade silicone(BPA Free). Easy To Carry & Clean: Super easy to clean(dishwasher safe). Multipurpose:These folding travel cups are multi-purpose. From home to outdoor traveling and Hiking, to kids, to adults, for your pets. Its limitless to what you can use them for. Customize your logo, suitable for company parties, exhibition marketing, anniversary, employee benefits, and other occasions. Measuring 12oz, this custom customized heat-resistant collapsible silicone cup 12oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.