... and shape:according to your need 3)passed ROHS rubber wheel stopper CertificateISO9001:2000,ROHS,SGSTemperature range-40°C-100°CUsagestop ... grade silicone rubberCharacteristics Flexibility and anti-aging capability japanese car spare bottle stopper,bottle stopper,bottle stopper,bottle stopper,bottle stopper ... stopper,bottle stopper,bottle stopper,bottle stopper,bottle stopper, rubber wheel stopper