The Rear Grease Cup Liner gives you the advantage of a mess-free clean-up, avoiding a greasy cup in your sink or dishwasher. It's essential for the Blackstone griddle enthusiast so don't be Caught without 1. Our patented rear grease management system on the griddle manages the grease, and our liners make disposal mess-free. Place the liner in the grease cup before you start cooking and once you are done, push the excess oil and scraps of food to the back of the griddle to the rear grease opening. The liner will catch all the mess. Once the liner is full, simply discard it and replace it with a fresh 1. What used to be the worst part of cooking, cleaning up, has become the easiest. These liners are designed to fit the Blackstone REAR Grease Griddle units such as 36 in., 28 in., 17 in., Range Top Combo, and the ProSeries.