✅ MEETS YOUR STORAGE NEEDS - Made of borosilicate, the strongest glass available, our kitchen ware can withstand temperatures of up to 520°F. They are freezer, microwave, oven, and dishwasher-safe (Not the lids). ✅ ECO-CONSCIOUS MATERIALS - Our containers are absolutely plastic-free. We make sure all the materials we use are kind to nature--from the box down to the silicone seal that keeps our lids airtight! ✅ DUAL-PURPOSE BAMBOO LID - Get 4 x 36oz containers sized 7.75 x 5.75 x 2.3 inches. The beautiful tight-fitting bamboo lids also function as cutting boards, while the leakproof cover ensures no spills. ✅ WE CARE ABOUT YOUR HEALTH - No need to worry about food, odor, or irritants seeping into these nonporous 36oz glass containers. Designed to safeguard your health, they are non-toxic and BPA-free. ✅ SAFETY & ENVIRONMENTAL STEWARDSHIP - We are committed to delivering a food container that share and reflect your passion for food safety and the environment. You get full warranty--no questions asked!