Gardener's Supply Company Self-Watering Pot Reservoir, Gallon BENEFITS- Transforms any container into a convenient, self-watering planter, reduces watering chores and provides a consistent water supply that helps plants thrive PRODUCT DETAILS- Built-in fill tube and handy water level indicator, can be used with pots that have a drainage hole in the bottom, includes a water level indicator MATERIALS-Made of durable polypropylene GARDENER'S SUPPLY EXCLUSIVE