[Eye-Catching Watering Devices] The package includes 10 watering stakes with 5 colors. You could choose used wine bottle or long neck plastic bottle to be compatible with the stakes. The watering spikes are perfect tool to recycle the used bottle as well as free up labor. [Easy to Use] Easy to Use with Long Neck Wine or Plastic Bottles. , dig a hole in the soil. Secondly, insert the watering stakes into the soil gently. Fill the bottle or wine bottles with water, connect the bottle with stakes and turn upside down. Insert 7/8 part of the stakes into the soil to better releasing effect. More stakes in the soil, is absorbed by the soil. [Material] The plant watering devices is made from terracotta clay. When you put the bottle full of water in the stake, it takes a little while for the water to soak through the porous clay. If the dirt around the stake is dry, the water automatically wicks from the clay into the dirt, and the water keeps wicking out into the dirt until the dirt is saturated with water, or until the bottle is empty. [Good Backup System] Slow Release Watering Stakes for Vacation Use. Self watering stakes is designed to prevent overwatering and the watering when people go out for vacation. The releasing speed of the plant watering stakes depends on the size of pot, soil composition, the need of plants and the climate. Usually 1 Litre of water could water about 7-10 days.Please test the releasing speed of the plant waterer before you go out to protect your plant's life. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:ceramics Package Contents: 10 * Plant Watering Devices Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.