http://www.ruggabub.com.au/bath-time/boon-ray/ Ray solves both of these problems and is adorable to boot. The soft exterior covers the plug while also forming a suction over the drain so no water can escape.
Although he’s pretty darned good at it. MARCO loves to peek at you from just below the water line then take off on deep-sea missions where his water-activated color-changing light can guide the way. And don’t even get him started on his favorite game. Did someone say, “Polo?”