Building on over a decade of experience in collapsible drinkware, the Frontier Collapsible Cup has been engineered to be sleeker, more ergonomic and lighter. Glass reinforced nylon 66 is used for the base, rim and center ring providing more stability and allowing you to grip the cup more easily. EU food grade silicone rubber sidewalls let the cup shrink down to less than 2cm in height. Designed to nest/stack, these cups really do fit in anywhere... Collapses flat to less than 2cm thick - Frontier Cups fit into your pocket (and fit your lifestyle) Made from BPA-free, food-grade silicone, with nylon rings to maintain shape and shield fingertips from heat Base, rim and center ring made of light-yet-durable glass-reinforced nylon 66 Weighing a mere 54g, this 355ml, space-saving cup takes lightweight functionality to a new level Nests with other Frontier Dinnerware and the 2L Pouring Pot Sea to Summit Guarantee is offered for the Lifetime of this product BEST USE Backpacking MATERIAL(S) Glass-reinforced nylon and food grade silicone rubber. DEPTH 3.5 in DIMENSIONS 4.0 x 4.0 x 3.5 in VOLUME 400 ml WEIGHT 1.9 oz 2023 AUSTRALIAN GOOD DESIGN AWARD GOLD WINNER Our Frontier Camp Kitchen Collection was awarded GOLD at the Australian Good Design Awards. These awards, recognised by the World Design Organization (WDO) as Australia&';s peak international design endorsement program, celebrate the pinnacle of design and innovation. This achievement underscores our continued dedication to innovation and commitment to enhance user experience through quality product design