KR Ltd.&reg; Multicolor LED Glow Suspender for Man Outdoor Sport Safety Protector LED Light Straps Length Outdoor Sport Safety Protector Design, all sources As humane philosophy: fashion, safety, considerate, lively, beautiful, equality High-density PU polyester webbing + super bright light guide fiber + ABS engineering plastic switch box Ensure the best quality: each process through the most rigorous testing, including tensile testing, plastic and metal fasteners strength test, resistance to oxidation and corrosion testing. In particular, attention to detail: every details of the deal to go through rigorous testing, long life luminescence band can be used as decorative DIY Emission band can be waterproof