Still a bit bigger than some, like Percival Paladin sleeves, but they are thinner and save space. The quality is always great, the main reason I've heard for not getting a 90-100 micron sleeve is they are afraid they will tear. Not so, out of 150+ packs I've had one legitimate defective sleeve, out of 110 in the pack out of 150+ packs, one i deliberately tried to tear, and one I wasnt paying attention while sleeving and tore open the side, which I couldn't duplicate.