Features: Colorful keyrings effectively protect your keys from wear and prevent scratching of other items. Made from safe materials, these keyrings are durable and reliable. The key markers are easy to put on and remove, thanks to their stretchy design. The silicone key caps offer protection and are suitable for various applications, including house keys, office keys, car keys, luggage keys, and more. Crafted from silicone, these key markers are flexible, durable, small, lightweight, and waterproof, making them ideal for long-term use. Quick identification: The colored key identifiers are elastic and soft, helping to better protect the key head while allowing for fast visual recognition. These multi-colored keycaps can be used to classify keys by function or purpose, enabling faster and easier key identification. Specifications: Component: Silicone Round Size: Approx. 24x24mm Square Size: Approx. 28x25mm Quantity: 20pcs / 40pcs Package Includes: 1 Set Silicone Key Caps Note: 1. Please allow 1-2cm error due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the actual color may vary slightly from the image. Thank you for your understanding.