Product details: Specifications: dropper bottle material: plastic Dimensions: 13.5 x 2.8 cm blue Package includes: 30 * dropper bottles 1,Adjustable valve irrigationThese automatic plant sprinklers with control valve can control the rate drip time 0-60s/1 drop, slowly release the trickle at the automatic water supply station, last for 1-15 days or more as desired. 2. [Material] This plastic bottle dispenser is made of ABS plastic. Good resistance to cold and heat, safe and non-toxic. Long nose cone design for easy root access. 3. Easy to useDrip irrigation bottle, quick installation, no need to twist, just put it down, water the plants, supply water directly to the roots of the plants, suitable for most plants. Controlled easy flow means your plants get the right amount of water. 4. [Multi-Scenario Application] Plastic bottle irrigation is suitable for your vegetables, indoor and outdoor gardens, hanging plants, small trees, shrubs, daily water plants, potted plants, indoor plants, herbs, garden plants, hanging baskets and water reservoirs. 5. Suitable for vacationIt can take care of your plants when you are on vacation or on a business trip. Don't worry your plant will die. feature: The adjustable valve allows you to adjust the water flow at any time. According to plant condition, different amounts of water are delivered to different plants or flowers. These irrigation spikes collect your plastic bottles. Easy to install without tools . Don't worry about plants when you travel. Advantage: 1. Adjustable Valve Irrigation These automatic plant sprinklers with control valves can control the drip rate from 0 to 60 seconds per drop, and the slow release drops pass through the automatic fill station for 1 to 15 days or more, depending on the desired duration. 2. Ease of use Drip irrigation, quick setup, no need to twist, just drip, water, delivers water directly to plant roots, suitable for most plants, irrigation easy drip means your plants get plenty of water. 3. Multi-scenario application Irrigation plastic bottles are suitable for your vegetables, indoor and outdoor gardens, hanging plants, small trees, shrubs, daily water plants, potted plants, indoor plants , herbs, garden plants, hanging baskets, sinks.