ANDI ROSE 4Pcs Garden Cone Watering Spike Plant Flower Waterers Bottle Irrigation System (4Pcs, 5.31inch x 1.38inch x 1.38 inches) Size: 13.5cm x 3.5cm x 3.5cm - 5.31inch x 1.38inch x 1.38 inches Water spikes work wonders on thirsty potted plants. You can combine water and plant food in a bottle then use the water spike to deliver the ultimate nourishing fluid These handy garden watering tools help deliver water where plants need it most