JMT 6 Pcs 3m VHB Adhesive Sticky 3 Concave 3 Flat Sticker for Gopro Hero 1 2 3 Helmet Mount Red
You can get:3pcs square VHB adhesive for Gopro  Curved mount3pcs ellipse VHB adhesive for Gopro Flat mount(Remark: Gopro Flat & Curved mount not be included.)