Birchwood Casey Bipod Shooting Mat Black. It features a double Velcro closure to securely hold weighted media and is constructed from durable 1000D nylon. Specifications for Birchwood Casey Bipod Shooting Mat: Manufacturer: Birchwood Casey Quantity: 1 Features of Birchwood Casey Bipod Shooting Mat: Helps reduce recoil and vibration during firing Works well on most hard surfaces Helps prevent bipod "sinking" on soft soil or sand Double Velcro closure secure weighted media 1000D nylon construction Package Contents: Birchwood Casey Bipod Shooting Mat Birchwood Casey BSML-BLK Shooting Mat Bipod Black