What is the length of this collar?

the small size Adams flea collar measures 16". it fits my 15 pound corgi. hope this helps.

How big is the large?

Hi Ralph and Teresa, The large dog collars will fit up to 25” necks and the small dog collar up to 15” necks. IThank you.

how many pounds is considered small for a dog

I used it a medium on my beagle. It fit correctly. He is 1 foot tall and 26 pounds. Kinda chunky. So I would guess it would be more for a Yorkie or a chihuahua.

Are these supposed to be covered in white chunks when they come out of the package? Or is this defective?

We’re glad you asked! The dusting you noticed is normal and should not be a concern. In fact, you’re seeing the active ingredient; the active ingredient will work its way from the surface of the collar onto your pet’s coat providing continuous protection against fleas and ticks for up to seven months. Feel free to call us at (800) 234-2269 if you have any other questions!

Item Volume	0.69 Fluid Ounces
Item Weight	19.5 g
Active Ingredients	Methoprene
Allergen Information	Yam Free
Target Species	Dog
Dog Breed Size	Small
Scent Name	Unscented
Item Form	Collar

Plus Flea & Tick Collar for Small Dogs, Flea Collar for 7-Month Prevention, Adjustable Collar Fits Small Dogs & Puppies, Kills Fleas & Ticks, 1 Count

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