I am writing to express my sincere delight with your products, particularly the Grapefruit Flavour Electrolyte Blend and your clear glass drinking bottles. The bottles transparency beautifully showcases the vibrant colour of the grapefruit cube, and it's 1 litre capacity is ideal for my tennis sessions, which often last more than an hour. I am so impressed with the quality and effectiveness of your products that I have recommended them to my family members and tennis club mates, many of whom are regular users as well. Thank you for producing such high quality and thoughtfully designed items. I look forward to continuing to enjoy your products.