Close. They are uwabaki (上履き) - most of the time they are more shoes designated for indoor use rather than actual slippers. The important thing is that they are only worn indoors.

Even here in the Philippines, we take off our shoes before getting inside the house. :)It's somewhat a tradition or routine. :) WE got used to it. And even the elders (i think also the ancestors) do this. :) It is somehow a way of showing respect to a person's house. like that :)