2021 Upgraded Products : The latest design makes the use effect of only one product better than the previous 4 packs, and can collect more hair and Lint.Now there are two,they are more powerful ^Easy to Use: Just put it in the washing machine when doing laundry. The washing machine lint catcher with net will take the hair and debris into the net and avoid blocking the drain. Make sure you are using a Top-Load washing machine, if it is a Front-Load washing machine,it will doesn't work. ^Reusable: The Hair Filter Cleaning Mesh Bag is made of high-quality and non-toxic material. It is safe, durable and reusable. Just simply clean it after using. Besides, it is designed as round shape to avoid causing any damage to your clothes. Please place the Hair Filter Cleaning Mesh Bag in a cool environment and avoid direct sunlight. ^How Does It Work: When the washing machine is working, the water swivels some small debirs up to the top, and when the debris fall down, they will be easily be caught in the floating mesh bag. Please note that the product is not suitable for Front-Load washing machine. ^100% Satisfaction: If you're not completely satisfied with our product, contact us feel free when you receive it within 30 days, we will provide our best service to you and we love the chance to make it right