Terraforming Mars sleeves

These are the tighest in this list, 63.5 x 88mm, which is nice when they are actually on the cards. A bit harder to sleeve though but by no means a hassle. They are transparent and and the size is 63.5 x 88 mm.

• Pack of 200 sleeves (4x50)
• Clear
• Acid free, no PVC
• 63.5mm x 88 mm
• Premium quality.

These are good quality sleeves for a pretty good price. We would like the recommend you go for the transparent sleeves, but obviously, you can also buy the colored versions. Just make sure you get the 66 x 91 mm versions.

• New Supreme ux formula Redesigned for extra Seal strength
• Extra high clearness and acid free, no PVC
• Prevents bent corners and scratches
• Prolongs the playability and Lifetime of cards
• Size of sleeves: 66 x 91 mm

 

These are very good value sleeves. Gets the job done without hassle. Obviously this is not top notch quality, but unless you play Terraforming Mars daily these will do nicely. 
They are transparent and have the size 66 x 91 mm.

• 100 Ultra Pro deck protector sleeves
• Standard clear
• Acid free, no PVC
• 66mm x 91 mm
• Holds standard size sports, magic, yu-gi-oh!, and Pokémon cards.

These comes in a handy box which might be nice if you want to separate your cards. The quality is awesome, and  these particular ones comes in matte. The size is 67x91mm

• Dragon Shield are tough polypropylene sleeves made to fit both casual and competitive play
• New Smooth Finish to make shuffling easier
• Dragon Shield sleeves are designed to protect your gaming cards against the wear and tear of play use
• 100 Sleeves per Box
• Reusable Card Board Deck box hold 80 Sleeved Card comes with a printed label for labeling your favorite decks
• Dragon Shield are tough polypropylene sleeves made to fit both casual and competitive play