Great value of 2 pack, your best choice! If you have new planted tree need watering, then Highlight watering bag is the perfect product for you! Born to save the water, time & money, it will help you enjoy a perfect time! HOW TO USE 1. Place on flat ground or on top of a properly built mulch pile to ensure proper drainage Wrap both sides of bag around trunk. 2. Open the top of the blue fill valve cap and insert hose. 3. Lift up on handle and fill with water to desired level. While lifting on handle, remove hose and close blue fill valve cap tightly and securely. Bag will be empty in approximately 4 to 6 hours. Fill bag 1 to 2 times per week, or as needed. When not in use, remove from around planting, and store in a cool, dry place until next use. Do not use in temperatures below 40 degrees Fahrenheit.