Amazon has Outtills Silicone Sponge (3 Pack) for $2.49 (Reg $8.94) with free shipping on orders over $25 or with Amazon Prime orders.
Our Silicone dish sponge is made of high-quality food-grade material which is heat resistant and BPA free. This Scrubber has long soft bristles on both sides, which makes it easier to reach corners. It is gentle on your dishes, pans, and pots but tough on stains.