The Helix Valve provides full water flow with just a soft bite. The cylindrical shape requires no special mouth orientation. The retreat spring sealing mechanism is leakproof even after prolonged use and under pressure. The kit includes Helix Valve with dirt shield for protection of the valve from dust and dirt.
Durable, spill-proof water bottle 750ml with wide-mouth opening for easy filling with ice and water and a breeze to clean. 100% free of BPA, BPS and BPF.