This plastic sink caddy is made of high quality PP+TPR wheat straw materials that are eco-friendly, durable, flexible and easy to clean. This kitchen sink holder stands out in the market because it has drain holes on the bottom. Keep your cleaning sponges organized with our sink caddy! This space-saving hanging sponge holder fits standard dish sponges with adjustable neck strap for easy hanging and installation on any size of sink faucet.