This lightweight, durable measuring cup has easy-to-read markings in both metric (liters) and standard (cup) measurements, so you'll always be ready for mixing sports drinks, measuring liquid ingredients for baking, and more. Lock & Lock's patented 4-hinge locking system has been durability tested to last up to 3 million uses, and the enhanced silicone seal is airtight to keep foods fresh longer and leak-proof to prevent accidental spills and drips.This versatile measuring cup features a flip-top lid for easy pouring, and Bpa-free construction provides a healthy and storage solution for anywhere your foods need to stay fresh. Plus, Easy Essentials containers are microwave safe for convenient reheating and dishwasher safe for easy cleanup.