Are your plants ready for a nice soak? Your plants will love the steady, gentle flow of water that this tub spike provides. It’s like giving your plant a relaxing spa day, helping it grow and thrive while you're away. **LIMITED AVAILABILITY** We will only be making 20 of these this year, so if you want one ORDER NOW!  Approximate dimensions: 6 inches tall (including 2.5 inch spike) x 4 inches wide x 2 inches deep. Holds about 4 ounces of water.