1. Material: These Keycaps Are Made Of High Quality Pvc Material, With Good Elasticity And Strong Toughness, Crack-Resistant, Lightweight And Durable; They Can Help You Identify Your Keys Quickly, Save Time And Labor, And Protect Your Keys From Dirt 2. Size: The Diameter Of Each Key Cover Is About 24Mm, The Thickness Is About 4.8Mm, Can Be Adapted To The Standard Keys, Easy To Carry Out 3 .Pack Size: The Pack Contains Colored Key Identification Rings. Different Colors Can Correspond To Different Room Keys. Don'T Worry About Swapping The Keys Again 4. Assorted Color: These Key Tags Come In A Variety Of Colors, You Can Organize Your Keys By Different Colors For Easier Identification, And Quickly Find The Keys You Need When You Open The Door 5. Application: The Key Identification Tags Are Used To Separate Similar Keys By Color. They Can Be A Decorative Addition To Your Keys, But Also A Nice Gift For Your Family Or Friends