This can badge keychain will let people know you have an invisible disease and what you need to be considered. Can also be used as a help mark. Large size with a diameter of 2.2 inches (57 mm). The picture of the rabbit hugging the heart is sure to catch the eye. The reverse side is plain and flat, so you can write on the side of the product directly with the magic pen to write on what diseases you have, or use the sticker to display it even more clearly with the clear display. Hang it from your bag or pouch to carry it on your daily basis. Diameter: 2.2 inches (5.7 cm); Total Length: Approx. 4.3 inches (11 cm). *The name says "Can Badge", but safety pins are not included. Please check the picture on the back side. Please be careful not to attach the ball chain securely when using it. Please note that it will rust if stored and used for a long period of time in a humid location. ※Depending on your monitor or smartphone model, the color of the product may look different from the actual product. Please note that the color and specifications of the product may change without prior notice.