If you're a frequent traveler, these noise-cancelling ear plugs are a must-have. They are designed to block out the ambient noise of airplanes, trains, and busy streets, allowing you to relax or sleep during your journey. Simply place them in your ears before takeoff, and you'll find yourself in a peaceful bubble from external noise. Features - Color: Sky-blue -Material:Silicone, PP sponge - Size: 2.10X1.40X1.40cm/0.83X0.55X0.55in - Size: 9.50X2.50X2.00cm/3.73X0.98X0.79in - Size: 1.50X1.20X1.20cm/0.59X0.47X0.47in -Advanced noise reduction: these earplugs are equipped with noise reduction technology, effectively blocking out external sounds for a quiet study or work environment -Comfortable and soft: made from soft, pliable materials, these earplugs fit comfortably in your ears, allowing for extended use without discomfort -Multiuse functionality: It's for studying, working, and napping, these earplugs help prevent interruptions and enhance productivity in various settings - protection: our noisecanceling earplugs are designed to protect your hearing while providing a comfortable and effective noise reduction solution -Portable and convenient: the box design makes it easy to carry these earplugs with you, ensuring you can enjoy a peaceful environment wherever you are Package list: 1 pair x sleeping earplugs 1 x storage box x replacement ear cotton