Description Crafted from durable rubber material, these pin backs offer a secure locking mechanism to keep your lapel pins, badges, and brooches firmly in place. The sleek design ensures a comfortable fit without damaging your clothing, making them ideal for professional, casual, or formal wear. Features - Color: Transparent -Material:Rubber - Size: 1.10X1.10X0.90cm/0.43X0.43X0.35in - Size: 13.00X9.00X1.80cm/5.11X3.54X0.71in -Efficient organization: keep your lapel pins, badges, and brooches neatly arranged with many rubber pin backs and a storage case, ensuring easy access and convenient management -Transparent design: the clear storage case allows you to quickly locate your desired accessory without rummaging, saving time and simplifying your daily routine -Secure locking mechanism: rubber pin backs provide a firm grip on pin stems, preventing accidental loss or damage to your cherished collectibles -Versatile usage: ideal for business meetings, formal events, or casual wear, these pin backs help you effortlessly find the right accessory to enhance your outfit -Soft and durable material: made from flexible silicone, these pin backs minimize wear on clothing while offering long term performance for repeated usePackage list: 150 x lock pin back