Features: Good quality and brand new. Easy to wear and take down. Effective relieve snoring,improve quality of sleeping. Clean air, filtered air of harmful gases and dust. Insist on using can effectively alleviate asthma. Apply in many situation, indoor, outdoor, hospitals, etc. Soft, comfortable silicone engineered to stay firmly in the nostril, forming a perfect seal without the need for straps. Specification: Material: ABS,Silicone Color: As Shown Package include: 1 x Snoring (random color sent)