Helmet Curved Surface Adhesive Mount with Quick Release Buckle and 3M Sticker for GoPro Hero 1, Hero 2, Hero 3, Hero 3+, Hero 3 Plus, Hero 4 Camera - Black Compatible with GoPro Hero 1, Hero 2, Hero 3, Hero 3+ and Hero 4 cameras The adhesive mounts are made with 3M adhesive 3M's innovative VHB 4991 adhesive backing ensures the mounts stay put Curved surface especially for helmet Package includes: Curved Adhesive Mount x 1; Quick Release Buckle Mount x 1; Sticker x 1