Aluminum address sleeve blue

WOLTERS aluminum address sleeve - always safe on the go The WOLTERS aluminum address sleeve is attached directly to the collar of the four-legged friend with a small carabiner hook, so that he always has the most important contact details of his owner with him.   Its low weight makes it ideal for small to medium collar sizes.   Since it is 100% waterproof, the fillable address card is optimally protected from rain and storms.