Built from ultra-durable, abrasion-resistant TPU, these 500ml soft flasks are designed for runners, hikers, and athletes who need reliable on-the-go hydration. Each flask features a leakproof high-flow bite valve that auto-seals after every sip, preventing drips during movement. Sold as a 2-pack, they compress as you drink, making them a compact and lightweight choice for vests, packs, or hand-carrying on the trail.
Pack includes two 500ml / 17 oz soft flasks
Ultra-durable TPU construction with abrasion resistance
Leakproof high-flow bite valve auto-seals after each sip
Compressible design reduces bulk as liquid is consumed
Flask color may shift over time depending on water pH levels
