Glass food storage containers with airtight lids are a must-have for any kitchen. BPA-free plastic lids fit snugly onto extra-durable glass containers for easy storage, transport, and reheating of lunches, leftovers, and more. Glass is dishwasher-safe (top-rack lids), microwave-, fridge/freezer-, and oven-safe up to 425°C. OVEN, MICROWAVE, DISHWASHER, FRIEND/FREEZER SAFE: Our tempered glass food storage sets with lids are versatile and affordable. Easily prep, reheat, and store without worry. PROTECT YOUR FOOD: Made from pure glass, our glass storage containers with lids protect your food and preserve its flavor. ULTRA-DURABLE: These tempered glass containers withstand most kitchen and transport pressures. Lids prevent most spills.