COMFORTABLE: Made of high quality microfiber leather and nylon,it offers great comfort and security around your wrist WEIGHT: A soft comfortable and durable way,weighs just 0.5 ounce(16 g) REINFORCED MATERIALS: Nylon String diameter approximately 12 mm,make it safety when holding your camera ADJUSTABLE: Fit for all wrist sizes with microfiber leather stopper to cinch the strap in place COMPATIBLE: Designed for mirrorless cameras with O-ring hole.