1. Our drain catcher are made of new TPE rubber material, durable and elastic, compared with stainless steel bathtub drain hair extensions, safer, never rust. No harsh chemicals! 2. Our drain catcher size is 6.1*6.1*0.15, fits all sink, shower or bathtub drain outlets smaller than 6.1*6.1 inches. Remember that the drain must be flat and free of raised obstructions. Otherwise the suction will not come out. 3. Place the drain catcher into the appropriate sink or tile. Press the corners of the four sides to stick them in place. Four corner suction cups firmly adsorbed, water flush is not easy to shift, the middle part of the projection, disperse water flow, drainage more smoothly, dense leak, effectively blocking debris, say goodbye to the floor drain sink clogging trouble, to restore a clean home. 4. Shower drain can be used in the kitchen sink to prevent food debris from entering the plug hole, or in the bathtub/shower to capture hair and keep your drains and clean. Suitable for bathrooms, laundry rooms, bathtubs, kitchens, RV bathrooms, etc. 5. As a quality seller, we will provide the best service, if you have any dissatisfaction with our products, we promise 100% refund, thank you!