This colourful cup is made from flexible, food-grade silicone that collapses flat to a small disc. The Frontier is BPA-free, ultra-lightweight and collapsible perfect for camping. The Frontier Cup's flexible silicone walls collapse easily, making it a pocket-sized drinking cup you can take anywhere. The rigid rim maintains its shape and is heat resistant for your safety and peace of mind. Add to your Camping kit today._·      Best Use: Backpacking & Camping·      Volume: 14 Fl oz | 400ml·      Weight: 1.8oz | 110g·      Materials: Flexible food-grade silicone walls & Nylon 66 base·      Nests into Frontier 2L collapsible pot·      Collapses flat to 17mm for compact packing·      BPA-free, food-grade, heat-resistant, flexible silicone sides·      Nylon rings at the top, middle and base maintain shape and prevent fingertips from being scalded