Blackburn Local Cooler Saddlebag Pannier. Blackburn's Local Cooler Saddlebag Panniers are great for picnics, pot luck or groceries. It can keep your sixer cold at the beach. They're also a great way to make sure the ice cream doesn't melt on the way home from the grocery store. The included welded stuff bag will keep all your critical gear dry. And these panniers are Interlock Compatible, which means when these panniers are used with Blackburn Interlock racks, the panniers can be secured with a single key and the contents can be safeguarded via Blackburn's exclusive buckle system.