Oster 6011 Blue Chill 5-Cup Break-Resistant Glass Freezer Jar 5-cup break-resistant jar with Blue Chill liquid between double walls Designed to fit virtually all Oster and Osterizer blenders (excluding In2itive) All-Metal Drive ice-crusher blade; generous handle ensures easy serving Keeps frozen drinks icy cold for up to 6 hours; dishwasher-safe Tight-fitting lid with filler cap; bottom cap; sealing ring