Silicone Swimming Ear Plugs Sleep Noise Reduction Earplugs Swimming ear plugs are designed according to human cochlea structure, comfortable to wear and perfect to prevent water from entering the ear and also reduce noise. Features: Made of soft silicone material, washable and reusable. Multiple noise reduction structures, competent to block out loud noises. Three-layer earcap design helps to reduce noise effectively. Line with the ergonomic design, fit the ear canal, and the tail fits to the ear ridge, comfortable to wear and will not fall off easily. Waterproof, suitable for use during swimming or other water activities. Comes with a portable case to keep earplugs clean and tidy. Not only for swimming, diving, surfing, but also for sleeping, working, studying, travel, concerts and general hearing protection from all types of loud activity. Specifications: Material: Earplugs: Silicone, ABS Case: Plastic Product Size: S, L S(LxD): 1.9x1.5cm L(LxD): 2.4x2.1cm Case(LxWxH): 5.6x3.9x1.6cm Package Contents: 1 Pair of Earplugs 1xPortable Case Please note： Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.