YUEPET Dog Safety Clips - 5 Pack Adjustable Prong Collar Backup Clips Reflective Double Ended Backup Clasp Leash Connector for Dog Harness to Collar Safety Clip5 pcs collar backup: Includes 5 pieces safety prong collar clips in different colors(black, red, blue, pink, gray); Various colors meet your dogs' daily use and replacement needs; Adjust the length from 7" to 8. 2" to fit your dog while growing and training Prevent accidents: Our Collar Companion purpose to prevent accidents and to keep your dog safe if the unexpected occurs, designed for multiple collars on dogs training, effectively prevents them