Container Shape: Rectangle Operation Instruction: Microwave Safe Closure Type: Gull Wing Recommended Usage: Multipurpose Power Supply: Use Without Electricity [Set of 8 Glass Storage Containers]Rectangle (35.1OZ)+(21.6OZ)+(12.5OZ)+(5OZ); Square (27.1OZ)+(17.6OZ)+(10.8OZ)+(6.8OZ); large and small containers are versatile for different use: meal prep food, leftover, sauce, lunch to go, RV, picnic, camping. [Glass Containers Safe for Oven/ Microwave/ Freezer/ Dishwasher]Vtopmart Meal Prep Container is able to withstand -4℉ to 752℉ (-20℃ – 400℃), the glass containers is made of high-quality borosilicate glass to hold up very well from refrigerator direct to microwave. [100% Leak Proof Airtight Lid]Glass food containers is designed with removable silicone seals and 4-hinge snap locks to ensure zero leaking or spilling, which also prevent smell go out and keep food fresh. [BPA Free and Food Grade Material]The glass food containers is 100% BPA Free, crystal-clear glass making it easy to see what's inside. Stains-resistant material for easy cleaning and keep glass containers looks like new. [Stackable Storage to Save Space]The durable food storage containers stack into each other for easier storing when you don’t use them, which fit neatly in kitchen cabinets.