Set includes one of each: 1/4-cup, 1/3-cup, 1/2-cup and 1-cup measure One-handed leveler guarantees perfect measurements every time Easily squeeze the leveler so your other hand is free to do other tasks To use, simply fill a measuring cup and squeeze its handle together to make the scraper swipe across the top. As the scraper moves, is pushes off any excess ingredients, giving you a level measurement every time. Cups nest together for easy storage BPA-free Polypropylene Dishwasher safe