Made of ultra-durable, abrasion resistant TPU for superior elasticity. Soft material conforms to any pocket for a comfortable carrying experience, fits easily in most hydration vest, waistbelt or pack pockets. Designed to carry gels, water, electrolytes, or your own nutrition mix. High-flow bite valve auto-seals after each sip, eliminating annoying drips problems.
*Wide-mouth bottle design, can be stably fixed combined with the elastic band of the backpack pocket
*Can be frozen or filled with hot water (max temp 40°C)
*Safe and reliable, 100% BPA & PVC free