These leakproof mesh mats can prevent the from leaking out and ventilated. You can put them on the bottom of your flower pot that has small holes. They have very efficient drainage function. Made of PE material, they are durable and reusable. Features - Color: Black. - Material: PE. - Size 1: 30.00X20.00X0.50cm/11.79X7.86X0.20inch. - Size 2: 15.00X15.00X0.50cm/5.90X5.90X0.20inch. - Flower pot hole mesh pad made of PE material, which is sturdy and can stand wear and tear. - Perfect for ceramic basin or flower pot that could run out through drain holes, great to keep from flowing . - Drainage mesh hole screens keep from leaking out. Make the roots of plants healthier, keep roots from rotting. - PE material features lightweight and wearable of high resistance. It is good assistant to allow excess water to drain out in order to avoid root . - Package includes 10pcs plant pot drainage mesh pads in 2 sizes, abundant quantity enough to meet your needs. Package list: 10 x mesh pads