Food-Grade TPU for Safe Hydration: HECHZSO collapsible soft flask is made of BPA-free TPU, safe for 0-60°C beverages. Lightweight (2.08oz) and easy to clean, ideal for daily use and outdoor sports.semi-transparent frosted water bottle.
High-Flow Bite Valve, Leakproof Design: 20mm wide cap with high-flow valve enables quick sipping—nibble to drink, no need to stop running or remove your vest. Tight seal ensures zero leaks.
Shrink-as-You-Drink, Ultra-Portable: Foldable design shrinks with use, fitting easily into pockets or hydration packs. Collapses completely when empty for compact storage.
Perfect for Outdoor Activities: Ideal for running, hiking, cycling, climbing—fits most hydration pack pockets, lightweight enough for intense workouts.
1-Pack or 2-pack Reusable Flask: Comes with 1 or 2 soft flask, reusable to replace single-use plastics. Hand wash only for long-lasting use.
