Description: * Simple to use, easy to operate. * Won't cause waste of water resources. * Get straight to the root with water spikes. * Garden watering device. * Help deliver water where plants need most. * Automatically according to the humidity of soil water, automatically stop after reach a certain degree. * Size: (13.5 x 3.5 x 3.5) cm, (5.31 x 1.38 x 1.38) inch * Material: Plastic * Color: Green and Blue How to use: Simply screw a spike onto a full bottle of water, then insert the pointed end directly into the soil near a potted plant's stalk. You can combine water and plant food in a bottle then use the water spike to deliver the ultimate nourishing fluid. Note:There is no holes on these spikers,you can drill holes with the push pin according to the water volume of different plants. Package includes: 12 x Water spike 1 x Push pin