Package:Each set contains 14 plant watering globes,7 small size and 7 large size.L:25.5cm/10'' in length and 8cm/3.2" in diameter;S:13cm/5'' in length and 5cm/2" in diameter.Please check this size information in detail before you place your order,thanks. Material:Watering bulbs are made of high-quality PVC material,strong and sturdy,non-friable,good permeability,the amount of water inside will be easily seen.Under normal circumstances,a watering device filled with water can last about two weeks.If you want the watering device to leak more slowly,insert the watering device deep into the soil. Design:Well designed as a bulb shape with long spout.The transparent plastic body allows you to observe the water consumption of plants and adjust the water volume in the globe according to it.Simply fill each watering globe with water,firmly stick it into your potted plant and you are finished. Self-watering:The tube end of automatic watering globes has been sharpened,allows water out into soil for up to 2 weeks.Self-watering system eliminates the need to worry about leaving your plants unattended any more.They will be a ideal gift for people who love gardening,busy office workers and so on. Widely application:The automatic watering bulbs are great for indoor plants and outdoor gardens.Fits for use with potted plants,hanging plants,patio plants,hanging baskets,desk pots,etc.They can ensure your plants always have enough moisture when you are not at home.