Oster 4918 5-Cup Glass Jar with Lid and Filler Cap Blender Accessory 3-piece blender jar refresher kit Includes one 5-cup glass jar, one lid, one filler cap 5-cup dishwasher-safe and scratch-resistant glass jar is thermal shock tested to withstand extreme temperature changes Removable filler cap for easy and convienent filling and measuring Can be used with most Oster blenders