Flocking PVC material by highfrequency hot formingdown valve air nozzlewith a double leakproof gas infiltration function Connection designhot pressing by high frequency close fitting at jointpreventing leakage Gas nozzle designusing the inverted valve gas nozzlecan effectively prevent leakage of gas Washingwater washingdo not twistdo not use the washing machine dehydration Soft velvet flocked finish air lock facility