This is an original Waring replacement part manufactured for use with blenders. The vinyl lid is used to cover the jar and has a filler hole in the center that the filler cup fits into. The jar lid is sold as an individual replacement part, please see model diagram for associative parts.
This replacement jar lid cover is supplied by original equipment manufacturer for use with Waring blenders. This part fills the center hole in the outer lid allowing user to add ingredients without removing the lid itself. It is made from durable clear plastic and it is sold individually.