Silicone Noise Reduction Earplugs for Sleeping Noise reduction earplugs of this shape will be easier to enter the ear canal, and have a more perfect sound insulation effect and protect your ears from loud noises. Features: Made of soft silicone material, comfortable to wear, washable and reusable. Multiple noise reduction structures, competent to block out loud noises. Line with the ergonomic design, fit the ear canal, there will be no pain when wearing it and will not fall off easily. S, M and L 3 sizes of replaceable ear caps, suitable for most people's ear. Comes with a portable case to keep earplugs clean and tidy. Perfect for sleeping, working, studying, travel, concerts and general hearing protection from all types of loud activity. Specifications: Material: Earplugs: Silicone, metal Case: Plastic Product Size: Earplugs(LxWxD): 23x16x15mm Case(LxWxH): 55x20x40mm Package Contents: 1 Pair of Earplugs 2 Pairs of Extra Replacement Earcaps 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.