Material: glass, product size: 226 * 74mm Improve Plant WellnessSelf watering globes automatically distribute water to your plants if the soil gets dry,help plants maintain water and nutrition while you're away. The soil slowly absorbs water from the globe and the water will stop flowing once it's saturated watering system. Top opening for easy water injectionThese Self watering globes have an open design at the top, making it easy to add water. You just need to dig a hole near the plant root system, insert the plant watering ball into the hole, add 80% water, and cover it with a rubber stopper.Depending on the humidity of the soil, the plant watering devices can keep watering for about 3 -7 days, up to 2-3 weeks. Sturdy and DurableHYH glass watering globes for plants are hand blown from high quality, durable glass. Each self watering globes is crafted with special care. not easy to break and deform in normal use, rust and corrosion resistant, have a long service life.The self watering globes measures 9.84 and the bulb is 2.9. Plant Watering System- Using a plant watering can is tedious and self watering planters are expensive. Adding HYH plant watering device to your indoor gardening system is affordable, elegant, and efficient.A great gift for family/friends/plant lovers/busy gardeners. Widely UseThe watering globes can be used indoor or outdoor (like the garden,home,office,school),decorate the room. And the watering bulbs can also be used with any plant size (like hanging plants or patio plants)beautiful decoration for house plants. NoteIf the flow rate is too fast, you can use a rubber band to tie a wet wipe, cotton balls, cotton cloth, etc. to the water outlet to slow down the flow rate,