Features:<br />A breakthrough technology to relieve snoring and sleep apnea， purifies air pollution， makes breath easier.<br />Insist on using can effectively alleviate asthma   <br />Soft， comfortable silicone engineered to stay firmly in the nostril， forming a perfect seal without the need for straps.   <br />Applications: indoor， outdoor， hospitals， fog and haze weather， smoggy weather， etc.<br /><br />Specifications:<br />Material: Environmental ABS，silicone <br />Size: 50*18*18mm<br />Weight: 22g<br />Colors: Blue， White， Red<br /><br />Package included: 1 x Nose Breathing Apparatus