With more than ten years of expertise in collapsible drinkware, the redesigned Frontier Collapsible Cup offers a sleeker, lighter, and more ergonomic design. Crafted from glass reinforced nylon 66, the base, rim, and center ring ensure stability while enhancing grip. The EU food grade silicone rubber sidewalls enable the cup to collapse to less than 2cm in height. Designed for nesting and stacking, these cups are incredibly versatile and space-efficient.  Collapses to less than 2cm thick, easily fitting into your pocket and adapting to your lifestyle Crafted from BPA-free, food-grade silicone, with nylon rings for shape retention and heat protection for your fingertips Features a base, rim, and center ring made of lightweight yet durable glass-reinforced nylon 66 Nests perfectly with other Frontier Dinnerware and the 2L Pouring Pot for convenient storage and organization Weight 53 g Volume 400 ml Dimensions 10.1 x 10.1 x 8.8 cm Materials Glass-reinforced nylon and food grade silicone r