a Good Helper for You to Eliminate Fatigue, Improve Sleep Quality & Give You More Energy to Work & Study. Fit for Travel, Shift Work, Meditation, Yoga Etc. Suitable for Different Kinds of Occasions Such as Indoor, Outdoor & Camping. Suitable for Any Sleeping Position, Whether You Sleep on Your Back, Side or Stomach. Tilt Ultra-fit Sides, Avoid Moving, No Pressure on Temple.