This item has never been used since purchase. 12-piece set for GoPro Hero 13 / Hero12 / Hero11 / Hero10 / Hero9 Ultimate versatility, easy to remove. For helmets, selfie sticks, extendable straps, clips, and protection. For outdoor activities, riding, diving, action cameras, and sports camera kits. 12 pieces. Compatible models: GoPro Hero12 / GoPro Hero11 / GoPro Hero10 / GoPro Hero9 / Other action cameras Uses: Diving, swimming, nature camping, skiing, rainy days, etc.