The Giant DoubleSpring ARX bottle is ideal for the young rider easy for smaller hands to squeeze and featuring 50% more water flow than a standard bottle. More importantly it keeps water fresh with an anti-microbial coating so kids can always drink clean water during their adventures. FEATURES Fresh anti-microbial technology 100% dishwasher safe rated up to 90°C New nozzle design produces 50% greater water flow SPECIFICATIONS Valve Types: DoubleSpring™ Weight: 49g Height 170mm Volume: 400cc (13oz)