100% Airtight and waterproof. 100% Odor proof. Stain resistant. Manufacturer's lifetime warranty. Microwave, freezer & dishwasher safe. Save food. Lock & Lock's revolutionary airtight design is a combination of four durable latches and space-age silicon seal. This design assures an air-and-liquid-tight seal very 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 easy 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 storage needs. Made in China.