America's Tomato Caretaker. This device has been proven to increase the harvest of tomatoes, peppers, squash, cucumbers and other vine crops. Serves as a mulch to heat the soil in late spring; retains, conserves water and distributes nutrients every time you water. Lasts for years. 12" square with 2-1/4" holes and holds 1/2 gallon of water. Available in red only.