STAYS ON THE DRAIN - It works as both a drain protector and hair catcher in bathtubs, laundry rooms, and kitchens. Suction cups on the underside keep it in place on the drain, STRONG SUCTION, does not move easily. We have tested it repeatedly. Suitable for flat drains, open drains, and slightly domed shapes - FAST DRAINAGE - The dense holes on the hair catcher effectively allow water to flow through easily, draining faster than the shower, no worries about water accumulation SUPERBLY BLOCKS HAIR - The hair catcher works great for filtering hair and debris, helping to prevent the drain from clogging, saving money from plumbers VISIT EASY CLEANING EASY MAINTENANCE - Simply use a paper towel to clean the hair blocked by the catcher after the water has drained. It is durable and maintenance-free, perfectly solving the problem of clogged drains ONLY SMOOTH SURFACE - Make sure the surface to be installed is smooth, otherwise the hair catcher may move from the drain