🌍 Store Smart, Live Green! Safe for microwave and oven use up to 500°F. Bamboo lids with silicone rings keep your food fresher, longer. Containers nest together for efficient storage in your kitchen. Embrace a sustainable lifestyle with 100% natural materials. Perfect for meal prep, leftovers, and on-the-go lunches. BPA Free 4 Sizes Airtight Seal This set of 4 glass containers with natural bamboo lids offers a sustainable and stylish solution for meal prep and food storage. Each container is BPA, lead, and plastic-free, ensuring a healthy choice for your kitchen. The airtight design keeps food fresh, while the versatile sizes cater to all your storage needs.