* Materials: 90% Thermoplastic Polyurethane, 10% Polyoxymethylene

Features:
* High-flow valve
* Large 42mm opening
* Inclined cap for quicker use
* TPU & RF welded seams Conical shape
* A plastic with multiple properties: elasticity, comfort, transparency, resists liquid penetration, taste free, PVC free, and non-toxic. Ideal for hydration bladders & tubes
* PFC-free
* 100% BPA, BPS and BPF free
* The conical design of the flask effortlessly slides into place with no uncomfortable pressure points
* Designed to slide up close to your body with just the right degree of tilt for an easier and faster access to hydration
* With a soft, sloped base to provide a more comfortable fit and make it easier to glide into your vest pocket