Before installation, thoroughly clean the firearm frame of all oils and debris using the supplied alcohol pad. Be sure the frame is completely dry and apply the Wrapter grip. Use a heat gun or blow dryer to heat the Wrapter until warm to the touch which activates the adhesive. Mold the grip to the firearm frame. SPECS a Precision fit for SIG SAUERA(R) P320 Compact Models (Medium Grip Module) a Material: Adhesive grit a Color: Black FEATURES a Heavy grit feel a Ultra thin profile - 30% thinner than a credit card a Engineered to conform to the exact contours of your firearm's frame a Multi-piece design provides optimal coverage a Left-over remnant material offers customization options