what is presented is a jar lid for releasably securing to a jar . the jar lid comprises an opening that goes through the jar lid , a lid base that extends from the jar lid , and a mounting instrument that is for permitting an accessory to be releasably mounted to the jar lid . the lid base is for releasably securing the jar lid to the mouth of the jar . the jar lid could be made from polymer - plastic material , metallic material , acrylic - based material , wood , cloth , glass , or paper - based material .