NEW to the Plant Water Bubble range are the Ball and the Bulb water bubbles featuring TOP FILL, so no need to remove from your plant pot. With these Glass Water Bubbles, you wont need to worry about leaving your plants unattended. Great for when you are away on holidays or for your office plants on the weekend!  Simply fill and insert into the soil. The water will slowly release automatically as the plant needs. Perfect for indoor plants and hanging pots.   Size:  9 cm x 26 cm