Material: Silica Gel Color: White, Red, Blue Case Diameter: 5.5cm/2.2inch Item: 2 in 1 Anti Snoring Air Purifier Type: Nasal Cones Quantity: 1Pc Features: High quality stop snoring device, soft texture. help you open nasal cavity, smooth breathing, relieve nasal congestion, increase oxygen flow. To prevent respiratory tract infections and colds by altering the bad habit of breathing in your mouth during sleep. Easy to carry, unconscious poison, unconscious flavor, unconscious vice. Package Content: 1 x Anti Snoring Air Purifier, 1 x Storage Case, 1 x Manual Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.1cm=0.3937inch