100% Airtight and waterproof. 100% Odor proof. Stain resistant. Manufacturer's lifetime warranty. Microwave, freezer & dishwasher safe. Save food. The revolutionary airtight design is a combination of four durable latches and a space-age silicon seal. This design assures an air-and-liquid-tight seal every time, and eliminates spills when accidents occur. Save space. Lock & Lock comes in a variety of sizes to fit every storage need and is designed to stack for space-saving efficiency. Save money. Use of this product will eliminate the need to ever purchase additional storage products with its manufacturer's lifetime warranty, stain-free material and versatile design. Being microwave, freezer and dishwasher safe, this product is perfect for all your storage needs. Made in China.