Outer Sleeves Matte Standard SizeOur Outer Sleeves Matte Standard Size add an additional layer of protection to cards and or art sleeves. They are commonly used to safeguard art sleeves from harm (external double sleeved protection) and can even serve as a third layer for triple sleeving purposes. With their matte lamination, these sleeves block annoying reflections to ensure that cards are clearly visible from all angles and avoid symptoms of eye fatigue during gameplay. The Outer