The Beer Block is theextended-release, can-shaped ice pack made to fit perfectly inside your Kase Mate to add more hours of cold to your drinks. Just grab your first drink from the Kase Mate, insert the Beer Block in its place, and enjoy up to 9 hours of cold drinks without ice. Made from a thick break-resistant plastic, this product is built to last. The Beer Block is perfect for those tailgates turned afterparty and it helps to keep the good times rollin'.