【Application】For GoPro Helmet Flat&Curved Base mount,action camera,ski/skate/surf boards,dashcam or kayak 【One Time Use Item】Do not move multiple times. Repeated movements will make the adhesive surface adhere to dust and impurities, making it less sticky 【High Quality】IMake for strength 3M adhesive tape,waterproof 【How to Use】Press it for 1-minute to exhaust the air, it is better to stand for 24 hours before using it（If you are worried that the direct paste is not strong enough, you can use a hair dryer to heat the glue surface, which can make it firmer.） 【Include】4 pieces 3M sticky replacement kits for Gopro Helmet Flat base mount & 4 pieces 3M sticky replacement kits for Gopro Helmet Curved base mount . All with 3M manufactured adhesive in each pack. It is manufactured with 3M adhesive.This accessory is suitable for the Helmet Adhesive Base of GoPro 10, 9, 8, 7, 6, 5, 4, Session and other action camer. It is a universal standard accessory, the material is plastic and 3M glue.