255Ml Standard Capacity: Moderate volume meets daily drinking needs for water, and outdoor drinks. Silicone Material: Soft safe silicone, heat-resistant and odor-free, brings comfortable drinking experience. Leakproof Durable Build: Tough elastic silicone resists tearing, stable structure avoids leakage during outdoor movement. Space-saving Foldable Design: Shrinks into small size after , easy to slip into pockets or backpacks. Multi-scene Application: Ideal portable mug for camping, hiking, gym sports, travel and daily outdoor activities.