Vented Helmet Strap Mount Bicycle Helmet Bandage Headband For GoPro 2 3 3+ 4

Description: Outdoor camera helmet mount mounting belt strap,adjustable durable nylon strap is easy to install and remove. With good stability and reliability even in strong movements. Attaches to any vented helmet. Suit for most Sports Camera. Specification: Materal?Plastic+nylon Size:235x45x8mm Package Includes: 1 PiecexHelmet Strap