Puppy Collar Size Guide. Puppies grow so fast that your lab’s baby collar won’t fit him for very long. Always measure your dog’s neck with a tape to ensure the best fit and match it to the manufacturer’s size.
The right collar size for your labradoodle puppy depends on its size. Milo is 19 weeks and still wearing his puppy collar. If you are really unsure, you can always buy 2 sizes and return the unused one to us.
The right collar size for your labradoodle puppy depends on its size.
You need to order a collar depending on your dog’s specific neck and head size to buy the correct collar right off the bat. As a general guide, smaller puppies will fit 10 inches and below while larger puppies will fit 10 inches and above. However, make sure it’s not too loose or too tight. Based on that formula, a border collie puppy that weighs 8 lbs at 13 weeks would likely weigh 32 lbs as an adult.