Features: Durable MaterialMade of polyester, the helmet battery pouch is wear resistant, durable and dirt resistant. And because of the look and loop fastener, it is easy to load and unload. Fit For FASTCompatible with FAST helmet, it can hold remote battery boxes for NVGs or MK2 battery case, or can be a counterweight pouch to balance your helmet. Design DetailsDual straps on top secure over the battery box lids, providing added security and protection, while leaving the center open for easy access to the power switch. Multiple FunctionsThe upper nylon clasp tape can attach various size IR strobes or excellent storage for a tourniquet with easily accessible. Wide ApplicationsThe battery pouch is suitable for sports activities such as CQB match, hunting, paintball, shooting, cosplay, movies, skirmish game and so on. Specifications: Material: Polyester Color: Black, khaki, camouflage Size: (Approx)(WxH) 10.5x2.5cm/4.13x0.98inch Length: (Approx) 16+8.3cm/6.3+3.27inch Applicable: Fit for FAST helmet Package Included: 1 x Helmet Battery Pouch Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.