Automatic Garden Cone Watering Spike Water Control Drip Cone Spike Flower Plant Waterers Bottle Irrigation System with Nails Care Your Flowers,8 Pack Package: 4 x small sizes (3.3 inch long, green color),4 x big sizes (5.3 inch long, blue color ) and 4 x nails. Made of premium ABS plastic, strong, durable and bright color. Garden watering device, provide water straight to the plants roots,suitable for most plants.Easy flow control means your plants receive the correct amount of water. Fits Most Plastic Bottles: Perfect for any medium or small size bottles; Fill the plastic bottle with water or combine water and plant food in the bottle then use watering spike to deliver the nourishing fluid for the plants. Note: The water spikes are without holes,you can drill holes with a nail according to your requirement. The further the distance between two holes,the faster the speed of watering.