Enhance your keys with this 50mm round keyring that boasts sonic welding for durability. The keyring comes with a 38mm insert that can be customized with printing, making it perfect for showcasing logos or designs. This versatile accessory is not only practical for keeping your keys organized but also serves as a great promotional tool. Add a touch of personalization to your everyday essentials or use it to create unique giveaways for events and marketing campaigns. The Keyring Round Sonic Welded is a stylish and functional accessory that combines practicality with customization options.