The item is an automatic watering device which is manufactured with sturdy glass material, not easy to be broken, it can help you to water your plants automatic and just deliver the sufficient amount of water a plant needs. Features -Color:Transparent -Material:Glass -Size:10.50X6.00X24.00cm/4.13X2.36X9.43in - Glass self-watering globes, can be filled up and stuck into any potted plants for hands-free use. - High transparency, allowing you to easily observe the remaining water at any time and add water in time. - Perfect for potted plants, bonsai, home gardening, it can save the efforts and time for watering. - The water automatically slowly and keeps the flower pot in moist state for a long time. - When you are on a business trip or outdoor travel, it can help water your potted plants. Package list: 3 x Self Watering Spikes