Washing machine riser that creates a gap between the washer and the waterproof pan. Clean between the waterproof pan without moving the washing machine. Allows space for drain hoses to reduce breakage Allows for smooth removal of drainage traps and hoses during regular cleaning of the drain. Cutouts (4 places) to prevent puddles. Ribs (protrusions) that prevent them from falling off even if they slip off. Easy to install just place on a waterproof pan. Can be placed directly on the floor surface. If used directly on the floor surface, there is a possibility that the cushion marks may adhere to the floor.