Flashing Dog Collars.
Designed for every day use
Can also be used at night to see your dog when exercising off Lead
Extra Small collar size 8.5 " to 12" 1.2 cm wide.
Small collar size 12" to 18" 1.5 cm wide.
Medium collar size 13.5" to 19.5" 2 cm wide.
Large collar size 15.5" to 23.5" 2.5 cm wide
