hockey card sleeves staples.ca Card Sleeves: Solid Color Sleeves Seer Clear CURV Standard Hard Inner Sleeves (100) Tower of Games Are these good sleeves? Also are these considered inner sleeves, outer, or neither? Why do you need two sleeves on the card? Is it worth it? Hockey Card Sleeves 100 Clear For Sports Cards 2 3 4" X 3 11 16" Thick Jersey Size Penny Sleeves 400 Count Dragon Shield Japanese Perfect Fit Inner Sleeves For Card Protection (59x86mm) Size Matte Clear Outer Mail from my sponsor @UltimateGuard: their new Katana inner sleeves! I never bothered to double sleeve before, but I have lost cards to water damage in the past, so I should change