Advancis Silflex® Wound Contact Dressing 2" x 2-4/5" Soft Silicone, Non-Adherent A wound contact non-adherent dressing made from polyester mesh coated with soft silicone. Silflex is designed to gently adhere to the skin surrounding a wound and not to the wound bed this minimizes the pain and trauma associated with dressing change. The dressing allows the passage of exudate.