Design: New design fresh herb keeper, transparent windows allow you to see what is inside, and the tall shape ensures that the vegetables are not deformed. Triple the Lifespan of your Fresh Herbs: The Herb saver pod keeps herbs fresh for up to three weeks, depending on the herb. For best results, remember to replace the water with fresh every 3-5 days. Preservation Function: This herb storage container, fresh vegetable preservation bottle has good watertight integrity, can maintain the humidity of vegetables and ensure the quality of vegetables.(Note: Only immerse the stems in water to avoid long-term soaking of vegetables due to too much water) How to Use: Rinse and pat dry your herbs(Wash parsley, coriander, mint, coriander, chives, dill, and asparagus) and place them inside the Herb Saver pod. Close the front cover until it snaps into place. Add fresh water to the reservoir through the removable filler cap.