Durable and comfortable materials: Made of Oxford cloth and neoprene. The wrist strap features firm edging for wear resistance, is breathable, soft to the touch, and durable for daily use. Flexible compatibility: Arm mount strap is firmly adjustable and easy to disassemble. Compatible with flashlights that have a diameter of 2.54 cm (1 inch). Secure and adjustable fit: Easy to wear with an adjustable elastic size to fit different users or groups. Practical design to prevent loss: Lightweight and breathable, with a builtin lanyard buckle to hang the flashlight when not in use, helping prevent misplacement. Why you need it: Keeps your flashlight securely attached to your arm, reducing hand fatigue during activities and allowing easier access to light in low visibility or underwater environments. Use scenarios: Scuba diving with a 1 inch diameter flashlight to keep illumination steady while hands are for tasks. Night snorkeling or underwater photography where quick, secure lighting is important. Boatbased nighttime activities or shore outings where a reliable, accessible light helps with tasks and safety. Specifications at a glance: Materials: Oxford cloth and neoprene Edge finish: Firmly edged for durability Compatibility: Flashlights with 2.54 cm (1 inch) diameter Adjustment: Arm mount strap is adjustable and easy to disassemble Closure: Adjustable elastic size to suit different users Extra feature: Builtin lanyard buckle to prevent flashlight loss