... silicone materialsSolid, durable, anti-tearing, extending strong Variety of fixed installation - however you play Multistage light switchWaterproof and rain-proof ... silicone, solid, durable, extend flexible High elastic silicone multi-function fixed way - can be installed on the handlebar, seat risers, ... can browse the map to use headlights and warning Fixed on the helmet behind - can be used as ...