Quantity: 4 pieces Color: transparent + green Product size: picture shows DURABLE - The watering unit of Plants is made of PVC, visible design allows you to clearly see how much water the soil or plant absorbs every day. Capacity - The diameter of the sphere is 5cm/1.96 ', the length of the tube is 13 cm/5.11', and you can also adjust the insertion depth according to the size of the plant. EASY? USE - The tube ends of the self-watering balls are sharpened, so simply fill them with soil, then insert them into the soil for automatic watering. MULTIPLE APPLICATIONS - That your plants Whether indoors or outdoors or in the garden, home or office, creating an automatic watering system ensures that your plants receive enough moisture. Ideal for pots, houseplants, garden plants, hanging baskets, tabletop pots, hanging plants and outdoor gardens. Good quality product