Square folding cup is made from food grade silicone to safely hold drinking water. It is heat resistant and cold resistant, so you can enjoy beverages at any temperature while reducing disposable cup waste. A reusable and safe alternative. Key benefits - Safe material and temperature tolerance: food grade silicone keeps water safe for hot or cold drinks. - Effortless portability: folds to half its original size, saving space in a backpack or bag for outdoor use. - Large capacity in a compact form: 600 ml capacity provides steady hydration without frequent refills. - Well sealed: leakproof seal and locking lid prevent leaks when closed. Fits in a bag, pocket, or car cup holder with confidence. Use scenarios - Hiking, camping, or outdoor sports where space and spill prevention matter - Commute, gym, or office use to keep a reusable cup within reach - Road trips or picnics where packing light and reducing waste is desirable