Quantity and material: a set of 4 metal earplug cases made of aluminum alloy with exquisite craftsmanship. These cases are durable and designed for long-term use. Small and compact: the earbud holder measures approximately 1.65 x 1.05 inches (4.19 x 2.67 cm). They are cute, convenient, and ideal for travel and outdoor activities. The water-resistant and pressure-resistant design helps protect your earplugs. Excellent sealing performance: each case features a tight rubber seal to provide excellent protection against moisture, dust, and debris. This keeps your earbuds clean, safe, and dry. Versatile storage: these metal cases are not only suitable for earplugs but also ideal for storing pills, medicine, jewelry, earrings, necklaces, and other small items. Use them as pill organizers or jewelry holders to keep your belongings secure and organized. Portable design: the metal earplug cases can be easily attached to keychains, handbags, golf bags, belt loops, and more. This makes them convenient for travel, camping, and outdoor use, ensuring your earplugs are always within reach. Color: Blue & Black Material: Aluminum Alloy Package Contents: 4 * Metal earplug cases Note: Other items shown in pictures are not included. Please note: slight color variations may occur due to lighting and display differences. This does not affect the product's functionality. Measurement error allowance: +/- 1-3 cm.