Adopting 3-layer sound insulation design, the earplug with high noise reduction level ensures to protect your hearing from loud noise. Thanks to the soft material and ergonomic shape, the noise-cancelling ear plugs can fit your ear perfectly, preventing them from falling out when you roll over. Made of silicone material, they are reusable and safe to use, which means that you can use them for a long time. Without any paining or discomfort, the lightweight and soft earplugs can comfortably fit for your ears. Comes with 10 replacement sponges, you can regularly replace them. And the storage case included is easy for you to store and carry. Item Name: Earplugs Material: Silicone Noise Reduction Rating: 40-60dB Featuring: Lightweight, Comfortable Fit, Easy to Carry Size Details: Single Size: 3cm x 1.5cm/1.18" x 0.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Earplugs 10 x Replacement Sponges Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.