heavy play curv hard inners standard sleevesFeel the difference. For far too long, we've put up with sharp cornered sleeves poking our palms. We forgot how great it felt to play unsleeved, feeling the round corners of the cards. Gain back that sensation with CURV Sleeves and eliminate that annoying ergonomic distraction. Improve your focus for tighter play and always curve out. Capacity: Holds up to 100 standard sized cards Material: Likely durable cardboard or plastic, with reinforced edges