Soft, comfortable silicone engineered to stay firmly in the nostril, forming a perfect seal without the need for straps. Effective relieve snoring,improve quality of sleeping.Easy to wear and take down. Clean air, filtered air of harmful gases and dust. Insist on using can effectively alleviate asthma. Apply in many situation, indoor, outdoor, hospitals, etc Anti-snore Nose Clip Mini 2 in 1 Nose Breathing Apparatus Sleeping Aid Snoring Device Snore Stopping Air Purifier B202,Specification: Material: ABS,Silicone Color: Blue Item Type:Sleep & SnoringPressure Range:4-20 cmH2OWork Mode:CPAPType:Anti Snore Nose ClipMaterial:ABScatogary:air purifierquality:high qualityfeature:anti-snoresize:minigender:men,womentype:nose clipfactory:Chinastyle: Breathing Apparatus Brand No Brand SKU 100275582_NP-1020527904