Verel Glass Food Storage Containers with Bamboo Lids (4 Pack, 36 Ounce) Eco Friendly Meal Prep Containers Airtight – Plastic Free, BPA FreeMEETS YOUR STORAGE NEEDS Made of borosilicate, the strongest glass available, our kitchen ware can withstand temperatures of up to 520F. 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