A perfect companion for camping, the Frontier Cup is both BPA-free and exceptionally lightweight. Its collapsible design, featuring flexible silicone walls, allows for easy collapse, transforming it into a pocket-sized drinking cup that you can carry with you wherever you go. With a sturdy rim that retains its shape and offers heat resistance, this cup ensures your safety and provides peace of mind during your outdoor adventures. Features 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 Material(s) BPA-free, food-grade, heat resistant, flexible silicone sides Diameter 10.1 cm Volume 400 ml Weight 53 g