Sea to Summit Frontier Ultralight Collapsible Cup

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.

• Collapses flat to 17mm for compact packing
• BPA-free, food-grade, heat-resistant, flexible silicone sides
• Nylon rings at top, middle and base maintain shape and prevent fingertips from being scalded
• Nests into Frontier 2L collapsible pot
• Rims and base and material: 30% glass-reinforced nylon 66
• Side walls: 100% silicone