Type: Watering Spikes Material: PP Size:155*20mm/6.1*0.8in Quantity: 6pcs,12pcs,24pcs,36pcs,72pcs. Product color: green ,orange,or random. Features: 1.The new upgraded version of the self-watering spike is suit for most of the standard 1.1 inch diameter bottles. 2.This plant watering spike is made of PP plastic with a bracket makes your automatic watering system more stable when in use. 2.The switch is changed from a circular shape to a square shape, the spike does not rotate with the switch, and easy to adjust and continuously water. 3.The self-watering spikes with control valve can control the dropping speed of 0-60s/drop, and continuously release the dropping for 1-15 days. Simply adjust the valve to meet your needs.Having a nice holiday without to worry about our vegetables, potted plants, houseplants, water plants day-to-day, patio plants, herbs, hanging baskets, desk pots, hanging plants, outdoor gardens, small tree, shrubs. Note: 1.Please allow 0-2 cm differs due to manual measurement. 2.Due to the different display and different light, the picture may not show the actual color of the item. 3.If you have other questions, please contact customer service in time.We will give you satisfactory service.