Cuppow - Sipper Lid Twinkle Twinkle Lil Jar $ 7.00 Clear/White - $ 7.00 Mint - $ 7.00 Quantity Add to Wishlist Your wishlist has been temporarily saved. Please Log in to save it permanently. This variant is currently sold out The Cuppow lid insert can be used with any of the 24oz or 32oz wide mouth mason jars. The Cuppow is BPA Free, and will turn your tumbler from and iced coffee/tea cup to a hot coffee/tea cup!