Silicone glasses anti-slip ear hook-sports anti-fall bracket

3d 30a

anti-fall bracket Product anti-slip ear hook-sports anti-slip ear hooks anti-slip pattern design bracket Product description diameter Single weight ear hook-sports anti-fall Friction coefficient increased glasses anti-slip ear heavy metals Ergonomics hook-sports anti-fall bracket Material safety Medical grade silicone pattern design Suitable professional anti-slip ear reusable Applicable scenarios Shore hardness Temperature resistance range temple diameter Single wave anti-slip pattern