Breathable Hole Universal Silicone Wrist Strap for Samsung Galaxy Watch Active/SM-R500NZKAXAC/Gear S2 - Grey Made by premium silicone, it is soft, sports, breathable, comfortable and durable. Concise and vogue style add color to your image. With quick release spring lever for quick disassembly and installation without any tools. Great permeability suitable for daily wear, work or travel. With quick release spring lever for quick disassembly and installation without any tools. Great permeability suitable for daily wear, work or travel. Size: 105-170mm (Without watch)