The viper MP5 triple mag is designed to be worn on the left or right. It can hold up to three magazines at a time. The pouch has velcro fastenings and thumb break strap. It is fully adjustable and attaches onto items such as a belt or plate carrier by using the two threads with press-studs on the back. Made from 600D Cordura, the pouch is 23 x 14 x 4cm in size.