Durable Material: Made of plastic, strong and durable, anti-corrosion, strong oxidation resistance, long service life, easy to clean, reusable, easy to repair. Applicable size: can be replaced at any time, compact, easy to carry, easy to store, does not take up space. Scientific Design: The filter can prevent debris such as leaves, seeds and other debris from clogging the downspout of the drain, keeping the water flowing smoothly. EASY TO USE: No tools required, just push them into the holes. Clean debris that has built up around the filter only occasionally to facilitate drainage. One machine for multiple purposes: suitable for outdoor, outdoor, roof terrace and other groundwater needs, to prevent flowers, leaves and other debris from clogging and poor drainage. Packing: 4*filters material: plastic Dimensions 5.7cm x 4.9cm x 1.7cm Note: Due to the different pictures displayed, the actual color shall prevail. Dimensions are measured by hand, there may be errors (1-2 cm).