- Food-Grade Silicone: Our square folding cup is made from food-safe silicone, ensuring the safety of your drinking water. Enjoy your beverages at any temperature, thanks to its heat and cold-resistant properties. Make the smart choice to switch to a reusable and safe alternative. - Convenient Portability: The innovative folding design allows you to reduce the cup to half its size for easy storage in your backpack, purse, or bag. Perfect for outdoor adventures, this cup saves valuable space while remaining lightweight and portable. - Generous Capacity: Stay hydrated all day long with our 20oz square collapsible tumbler. Its efficient design facilitates easy carrying and storage, making it an ideal companion for travel, hiking, or any outdoor activity. - Leak-Proof Design: Our square collapsible water cup features a secure locking lid that prevents leaks when closed tightly. Carry it confidently in your bag or car cup holder, ensuring you can hydrate without worries during your daily activities or adventures. Use Scenarios: - Ideal for camping trips where space is limited and hydration is essential. - Perfect for daily commutes, easily fitting in your bag without taking up much room. - Great for gym sessions or outdoor workouts, providing a reliable source of hydration on the go.