• SAFE AND REUSABLE: Made with high-quality silicone and ABS, non-toxic and odorless, environmentally friendly. Both the outer ring and the pads are removable, easy to clean, and durable. • EFFECTIVE NOISE REDUCTION: With a noise reduction rating of 30dB, these earplugs effectively reduce ambient noise interference without hindering normal communication. • EASY TO USE: Unlike foam earplugs, silicone earplugs do not require squeezing or waiting. Simply insert them gently into your ears and twist to adjust to the perfect angle. • PORTABLE: Includes a small and lightweight case to carry in your pocket, bag, luggage, or keychain. Ideal for taking anywhere and a thoughtful gift for family and friends. • MEASUREMENTS: Product dimensions: 1.5 cm x 1.5 cm x 1.5 cm. Weight: 0.001 kg.