Effilogic Self-Draining Silicone Mat | Medium

Effilogic offers a sponge holder with a 4-degree slant designed to drain water automatically, fitting undermount and wide-lip sinks, made from food-safe, BPA-free silicone.

• The description claims that the product prevents slime and mildew by using gravity to drain water.
• The description claims that the product is officially patented (Patent No. D959,084).