MAXIMIZE WATER DEPTH: Add extra inches of water to your bathtub to take your bathing experience to new levels of comfort. Built-in safety holes ensure your tub doesn't overflow, allowing excess water to drain properly. Say goodbye to the annoying sound of running water; immerse yourself in a peaceful and tranquil bathing environment. EASY TO INSTALL: Simply place the safety hole on top, pour warm water over the suction cups, and press each suction cup firmly against the tub to create a secure seal. EASY TO CLEAN: Made of high-quality PVC, cleanup is a breeze. Simply rinse and air dry, or for a deeper clean, place it in the top rack of the dishwasher. STURDY AND RELIABLE: Our proven design, combined with high-quality PVC suction cups, ensures a perfect seal on most bathtub surfaces. Please note that this product is not suitable for use on textured surfaces. VERSATILE FIT: The bathtub overflow drain cover features a truly universal design with dimensions of 10*5 cm/3.93*1.96 inches and a base diameter of 15.5 cm/6.1 inches, compatible with a variety of bathtub overflow drains. Whether you have a rocker, snap, lever, or flat design, this case will fit perfectly.