Easily adjusts sponge depth to control moisture levelReusable designProduct dimensions: 6.5*4.5Note: Other things are not included. The colors are based on the first picture. Other pictures only show the effect. Due to the differences between different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the same as the picture. Due to manual measurement. Please allow deviation. Thanks! Material: Plastic Size: about 6.5cm; bottom diameter: 1.3cm Application: offices, hotels, home furnishings, shopping malls, greening projects, home gardening, balcony vegetable gardens, Quantity:50 pieces