A high quality silicone scraper is a must have for every home cook and baker. The Mix and Scraper is a heavy duty scraper and spoon in one use it to mix, then easily scoop and scrape food into your pan or serving dish. How to Clean Dishwasher safe, wash prior to first use. For stubborn stains, combine dishwashing crystals and water to make a paste. Spread paste over stained area; let set and rinse thoroughly. Guarantee: Three year guarantee for noncommercial use.Must contact seller with Amazon receipt.