Flexible flask that compresses as you drink it to eliminate water bouncing inside and reduce sucking effort.
NO LEAKING UNTIL YOU BITE IT
Pack weight (lb oz):1.05 oz
Dimensions:25 x 9 x 3 cm
Pack weight (g):30
FDA approved polyurethane.
Used for specific properties like -elasticity, then comfort close to the back -transparency, to clearly see the water level inside -resistance to any liquid, then taste free -PVC free, then no toxic substances reject when recycled Thermoplastic polyurethanes are perfect for bladder and tube.
A new engineered valve that blast water for quick and non-fatigue hydration. Higher flow, softer feeling in mouth, no leaking.