Easy Litter Identification: These puppy ID collars for litter help you clearly tell each newborn puppy apart without extra marking work.
Adjustable Size Range: Our 12-20cm puppy collars are 0.4 inch wide, adjustable to grow with your puppies, fitting head circumferences under 9cm and most small newborn puppies and young kittens comfortably.
User-friendly Design: Made with soft paracord and hook and loop closures, these hook and loop puppy collars are easy to adjust, non-sticky to pet fur and bedding, and are unlikely to irritate pets' gentle skin.
Wide Compatibility: These collars serve as ideal newborn puppy collars for litter, and also work well for newborn kittens and other tiny pets.