Design: Stackable to maximize storage space with airtight, leakproof lids to keep food fresh. Material: Made of food-grade, BPA-free, and clear plastic for easy visibility. Temperature Resistant: Freezer safe down to \(-20^{\circ }\text{C}\) and microwave safe up to \(140^{\circ }\text{C}\). Functionality: Ideal for meal prep, categorization, and keeping refrigerators tidy.