Flexible Form: Collapsible cups for traveling reduce to 50% of their original height and feature built-in volume gradients in both ounces and milliliters Beverages At Any Temperature: The perfect collapsible kitchen items, our camping cups are built to safely accommodate boiling liquids as well as ice-cold beverages Ergonomic Design: Comfortable ergonomic handle with built-in attachment hole easily accommodates a carabiner, allowing you to attach the cup to a pack or mess kit Camping Cup: 12-ounce collapsible camping mug features a flexible TPE base that stows inside the rigid rim for added convenience and improved packability. Quality Construction: These collapsible cups are constructed from phthalate-free and EN-approved materials and are dishwasher-safe and food-safe.