Replacement silicone seal for W-444/888

Replacement silicone seal for W-444/888. This genuine gasket restores a tight, leak-proof seal on your W-444 or W-888 bottle. Made from food-grade silicone, it is durable, odor-resistant, and safe for daily hydration. The circular seal fits snugly between the cap and bottle, preventing leaks during commutes and workouts. Easy to install: remove the old seal and press the new one into place. To maintain performance, inspect and replace worn seals regularly. A practical, low-cost upgrade for reliable hydration—perfect for the Gesundes Wasser - gesundes Leben copper bottle range. Designed for versatility with both cold and warm beverages.