You'll want multiple jars to keep all their favorites handy. The bamboo lid has a silicone ring for a tight fit. Borosilicate glass will not crack under extreme temperature changes. It also makes things taste better because it won't absorb the taste of the item inside. Non-toxic. Can handle heat and cold. No imprint on spoon. Get your branding off to a solid start with the Chun Glass & Bamboo Storage Container!