KMC Perfect Hard Inner Sleeve Review Perfectly usable or hard to justify? Double Sleeved 200pcs 64x89mm card inner sleeves compatible Temu Card Sleeves: Thick Inner Sleeves (50) [ASM G10114] Tower of Games 722626034954 BCW Spectrum Chroma Opaque Inner Sleeves Black Card Sleeves 101, Inner sleeves are thinner sleeves that are used as a second layer of protection, while outer sleeves are a first line of defense. The outer sleeves can be opaque or clear and are