Refresh and revive your Oster blender BLSTAJ-CB0. Add years to the life of your Oster blender with the 6-cup Dishwasher-Safe Boroclass Glass jar. The jar has been thermal shock tested so you can pull it out of the steamy dishwasher and safely make a frosty cold beverage right away. It fits most Oster blender bases regardless of whether the original jar was plastic or glass. The jar is clearly marked with appropriate measuring levels. The lid features a removable cap that allows for simple measuring.