Wellrun 2 Pack 500ml Soft Flask Running Water Bottle,TPU Collapsible Hydration Flask for Running Vest,Ultra Lightweight Foldable Water Bottle for Cycling,Hiking,Marathon & Travel,Black

• Foldable & Space-Saving Design : This TPU soft flask collapses to a small size when empty, making it easy to store in running vests, hydration packs, pockets, or bags, perfect for runners, cyclists, and hikers who need to save space during long-distance activities.
• High-Flow Bite Valve : The auto-seal bite valve delivers a steady water flow with each sip and seals instantly to prevent drips or leaks, no need to twist or close a cap, ideal for maintaining hydration without breaking your stride during marathon or trail running.
• No-Slip Grip Surface : The textured outer shell provides a secure, non-slip grip even when your hands are sweaty or wet, giving you complete confidence while holding the flask during high-intensity activities like cycling, obstacle racing, or fast-paced hiking.
• 100% Leakproof & Food-Grade TPU : Made from premium BPA-free, phthalate-free, food-grade TPU material, this soft flask is safe, durable, and reusable, the welded seams and leakproof cap ensure zero spills inside your running vest or backpack.
• Wide Compatibility for Outdoor Sports : Designed to fit most hydration vests and waist belts, this collapsible water bottle is essential for endurance training, cycling, marathon running, hiking, and travel, a reliable hydration solution for active adults.

Wellrun 2 Pack 500ml Soft Flask Running Water Bottle,TPU Collapsible Hydration Flask for Running Vest,Ultra Lightweight Foldable Water Bottle for Cycling,Hiking,Marathon & Travel,Black