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Feature:  Effective Blocking Lights  ---- Innovative nose cutout design fits snugly across noses with all shapes; increase the blackout effect by over 99% and make your room pitch black in one second; plus the comfy and breathable high-quality material, you can fall into a...

Features: IMPROVE NIGHTTIME SLEEP -Many people get used to mouth-breathing sleep but few of them know the harm.Studies show that mouth breathing leads to bacterial inhaling,snoring,drooling,dryness of throat during sleeping,long-time of mouth-breathing sleep will affect appearance.Nose breathing leads to more efficient blood oxygenation,more consistent...