Perfect for sealing: tub stopper made of silicone material is able to seal sinks or tubs perfectly without heavy leakage. Please kindly note, it is only suitable for flat smooth surfaces. Easy to use: Cover the tub stopper for the drain when you are filling the tub or sink with water and take it away after finishing your job. Easy use saves your effort. Universal size for using: 6 Inches of length for drain stopper fits most kitchen sinks, room sinks, tubs, and other drain strainer. Long time drain stopper: The shower drain stopper can seal for the whole night without a large amount of water leakage. Fitting for sink and tub: It is easy to take away and remove even when the water level is full in your sink or tub. It is a good assistant for tubs and utility sinks.