Caring for your plants when you can't, these bright glass globes provide continual hydration to keep thirsty plants thriving. Designed for indoor or outdoor potted plants, each decorative drip feeder releases enough water for approximately 2 weeks, depending on sun exposure and heat. Simply fill with water and insert into the soil, giving potted plants a decorative accent while assuring automatic watering. Instructions included. Set of 6. Each, approx. 6" long.