3M Series IK680 Reflective Brake Caliper Vinyl - Ruby Red - 3M IK680 - 2ft x 2ft (4 sq/ft) (24" x 24") Pressure-activated adhesive for easy sliding and tacking Air release channels for fast and easy, bubble-free graphic installation Removable with heat and/or chemicals Similar daytime and nighttime appearance that retains most of its reflectivity when wet or at high heat 7-mil, enclosed lens, retroreflective, engineer grade films that offer flexibility and versatility