Dice onions in one swift motion. Cut large onions into quarters and place on blade. Cut small to medium onions into halves and place on blade. Place both hands flat on lid and push down quickly. Tap base to measure accurately. Encloses onion to minimize odors. Measures up to 2 cups or 500 ml. Also great for peppers, jalapenos, carrots, celery and other produce. Non-skid feet. Minimizes hand contact with onion. Cleaning tool included. Prepworks products are created by people who understand having the correct kitchen tool can make your cooking experience more enjoyable. Prepworks - essential items for today's cook. Dishwasher safe. Satisfaction guarantee. www.progressiveintl.com. This cardboard can be recycled. Designed in the USA, made in China.