Create Low-carbon Life To Save Water, Save Money With Wimaha Tub Drain Hole Stopper Work Theory: utilize water pressure/weight principle which sucks down over the drain with ease Product Size: maximum diameter 5in, inner diameter 2in. Applicable: fit for standard(1-1/2-2in) bathroom bathtub drain holes or kitchen, laundry sinks, suitable for 4in drain holes thanks to its large coverage area. Safe is No.1 factor so made of one rubber: soft food-grade silicone, non-toxic, eco-friendly, skin-friendly suits for little fingers. Functional: keep water/toy from leaking/ flowing down insensibly when showering or soaking tableware in foam water, not down the tub or sink drain hole. Super slim and flat stopper cover design make it seal perfectly with no leakage by covering large area. No-slip good grip, are featured of the bathtub stopper to be a drain hole’s defender, small suction cup can sucks on the wall when not in use occupied no space, light weight, handy size, practical not only in home bathroom bathtub, kitchen sinks, cant be too convenient to fit for travel, hotel laundry sinks, tubs. Wimaha, with our hearts!