A. Products - Dimensions: 2 yellow + green; 4 (green + blue + colorful + light blue) - Specifications: 7.5x20 cm B. Features 1. Cultivate healthy plants: These decorative glass watering balls can be an automatic watering system for small indoor or outdoor plants. There's less need to worry about over - watering or under - watering your plants. The self - watering balls will slowly release an appropriate amount of water needed into the soil, providing nutrients for flowers, herbs, and other plants. 2. Re - fillable and reusable design: These plant watering balls are easy to turn over, can be filled with tap water or boiled water, and then placed in the potted plants without getting dirty. 3. Grow healthy and strong plants: The water supply of these watering balls can meet the water needs of plants for about two weeks, which helps maintain proper nutrition of plants and is suitable for use during business trips or vacations. 4. Colored glass: Made of high - density, durable glass, it is relatively strong, suitable for both indoor and outdoor use, and can be used for hanging flower pots and floor plants. 5. Easy to use: Simply fill the irrigation bulbs with water and then insert them into the soil. It is a user - friendly plant irrigation system, providing quantitative water supply directly at the roots.