properly 106

On my Canon EOS 450D the rubber buffers had to the original eyeshield repeatedly solved has fallen when stowing in a camera bag. That was not just annoying, the subsequent re-tuned-Gefrickel takes forever until the rubber buffer sits really correctly.
Now is also the one holding the nose bridge of the Kuststoff part of the eye cup broken, so had to be replaced:

The eyecup offered here has on my Canon EOS 450D, if you shake the eye cup, a tiny bit of the game, but does not sit too loosely nor too tightly - so in principle perfectly.
The rubber feels to my mind hardly softer or harder than the original, the eyecup makes a high impression. She has an opening peep as the original, the eyepiece therefore not hindered.

I particularly like that the rubber of the eyecup is screwed tightly to the plastic part, rubber part of this I probably will not lose as fast as the original.

The second difference from the original is that the plastic retaining tabs are not cushioned like the original by a short bridge, but whether this manifested in practice remains to be seen, I think, at the plastics used today, rather not ,

I think the eyecups offer you a very good replacement for the original eyecup.
The price is - in the level of prices for Canon accessories - unbeatable.

From the price / performance ratio and the availability ago, I would recommend this eyecup fully, or buy them at any time.