Value Pack: You receive 100 pairs of ear plugs in plastic cases, ideal for personal use, sharing with family and friends, or distributing to colleagues and classmates. The quantity provided is sufficient to meet your needs and replacements. Good Sound Insulation: These sound-blocking earplugs are made of high-quality silicone, soft and waterproof, offering effective sound insulation. Designed in a Christmas tree shape, they fit comfortably in the ear canal and help reduce the impact of sound waves. Noise reduction rating: 29dB. Reusable Design: These soft silicone earplugs can be washed and reused multiple times. Clean with mild soap and warm water. Proper cleaning and storage can help extend their lifespan. Portable Design: Each pair of ear plugs comes with a clear plastic case for convenient storage. The earplug measures approximately 1.2 x 0.5 inches, making it compact and easy to carry. Wide Range of Application: These earplugs provide effective noise reduction, helping you enjoy peace and quiet during sleep, study, or work. Suitable for use in noisy environments such as concerts, music festivals, nightclubs, bars, construction sites, and other loud settings. Color: Black Material: Silicone Package Contents: 100 Pairs * Ear Plugs Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3cm.