AC Infinity - Self Watering BasesSelf Watering Fabric Pot Base, 4 Pack Potted plant stand features a patented design that delivers water to fabric pots without active irrigation. Automatically directs water up to your plant's roots using the included adjustable length wick lines. Heavy duty drip tray collects runoff water for redelivery and can withstand planters up to 100 pounds. Reservoir plate lifts your fabric pot off the ground to keep algae and other buildups from spreading.