... .Water&air,water proof, & durable. 4.Any color available. Rubber Seal O Ring Machines(20sets)Rubber mixer, Automatic slitting machine, Slicer ... , Impact Strength Resistance, Gas Impermeability Resistance, Oxygen Resistance, Flame Resistance,Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance ... /CDeliver time7-15 daysMore information Please contact with us Rubber Seal O ring