Premium Stainless Steel Water Bottles

I'm looking for high-quality, premium rechargeable water bottles designed for office and daily use, aswell as sports and fittness. The unique selling point of these bottles should be the inclusion of hydrogen ionizers... (Budget: £250 - £750 GBP, Jobs: 3D Modelling, 3D Rendering, CAD/CAM, Consumer Products, Industrial Design, Manufacturing Design, Mechanical Engineering, Product Design, Prototyping)