Fit perfectly and loved how it told what blenders it would fit! And it came so fastThis was a direct and easy replacement for the original lid which accidentally got in the dishwasher, and ended up hard and shrunk. This arrived quickly, well packed, and actually had the clear stopper in the middle of the lid, although that was an unexpected bonus. This one is literally good as new.Excellent! Exactly what I wanted, and it arrived super quickly and packaged perfectly! Will definitely buy it again! Highly satisfied! Thank you so much! :~) *****It fits like the Oster onePerfect fit for my Oster 6 cup plasticNice lid but did not come with the middle plastic circle piece. I needed the whole lid.happy to have all parts to my Oyster blender that my brother handed down to me. I use it often, great blender!It still allows thin liquids to get past it when you first kick on the blender. I may replace the blender for a better design.