COSRX AC Collection Acne Patch is a specialized acne treatment product featuring hydrocolloid patches in three different sizes for targeted care. These patches are designed for intensive acne care with tapered edges for better adherence and protection of troubled areas. The package contains 26 patches in total with three size options: Small (9 x 13 mm, 9 pieces), Medium (11 x 16 mm, 9 pieces), and Large (15 x 23 mm, 8 pieces). The patches feature a tapered edge design for enhanced fit and coverage of affected areas. This is a medical-grade product as indicated by the medical cross symbol on the packaging.