Identify this half matte sleeve for ThunderStone Advance?
If you are looking for sleeve sizes for a game, the following links are 


https://boardgamegeek.com/geeklist/164572/card-sleeve-sizes-games
https://www.maydaygames.com/pages/sleeves-by-game


Here is the entry for Thunderstone Advanced: Numenera, other Thunderstone versions are listed below.

I realize you aren't asking about the game, as much as what product are your sleeves. This is meant for people who may stumble upon your question.