Self-Cleaning Our reusable lint roller is designed with a self-cleaning function. After completing the cleaning task, simply rotate the circular knob gently to remove cat/dog hair from the brush surface. All dislodged hairs are collected in the integrated rear compartment, which can be effortlessly emptied by opening the cover.Quick Hair Cleanup This magic pet hair remover efficiently removes pet hair from various fabric surfaces with quick, back-and-forth strokes. The built-in collection compartment allows for fast and easy hair removal, making it ideal for cleaning clothing, as well as sofa, curtain bedding, and carpets.Engineered for convenience This cat/dog/pet hair removal tool fits perfectly in your hand for easy one-handed use. Its secure grip prevents slipping during cleaning, while the small size allows convenient storage in any bag for quick cleanups on the go.Sustainable Savings This magic brush for pet hair is easily cleaned with watersimply rinse and gently rub the surface to remove trapped hair. An environmentally responsible choice that saves you money.Tips If the lid of compartment feels too tight to open, please gently press the lid's plastic tab horizontally to open the lid with ease. Caution Avoid forcing or twisting the self-cleaning ring, as this may cause breakage.