Same great features as the standard insulated Breakaway series with an added nozzle cover to keep it free of dirt, mud and general muckiness Nozzle cover is removed with easy one handed operation so you can still drink on the go High-flow Surge valve provides a sip or a blast of water and self-seals to eliminate spill and splatter on your bumpiest ride Engineered cool, Tri-layer Insulation takes Polar BottleÌ_ås recognized radiant heat reflective technology to the next level, keeping your bottle way cooler, 2X longer Unique grip groove and wall design makes it easier to squeeze Removable nozzle for easy cleaning & dishwasher safe 100% BPA free & food safe