Quantity and material: a set of 4 metal earplugs, made of aluminum alloy material, exquisite technology; Not only are these boxes rugged, but they are also powerful enough to long-term use. Small and : the earbud holder is compact in size, approximately 1.65 x 1.05 inches/4.19 x 2.67 cm; They are cute, convenient and , ideal for travel and outdoor activities; Its water and pressure design ensures that your earplugs are always protected. Excellent sealing performance: Each earbud sleeve is fitted with a tight rubber seal for excellent sealing performance; This seal protects your earbuds from moisture, dust and debris, keeping them clean, safe and dry; You can rely on these examples to maintain the quality of your earplugs. Versatile: These metal casings are not limited to the storage of earplugs; They are also ideal for storing pills, medicines, jewelry, earrings, necklaces, etc.; You can even use them as pill holders or jewelry holders; With these boxes, you can keep your belongings organized and protected without fear of losing them. Portable design: Metal earplug cases allow you to easily attach them to keychains, handbags, golf bags, belt loops, and more; This portable design makes it ideal for travel and camping outdoors, ensuring that your earplugs are always within reach when you need them. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Blue & Black Material:Aluminum Alloy Package Contents: 4 * Metal earplug cases Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.