Adjust the size with the metal chain.All Amber Stones are made from 100 Genuine Baltic Amber, so The Color, Size Or Shape May Differ Slightly.Important Note About Size: Please Measure The Neck Circumference of Your Pet Correctly, so you should not order another amber Necklace.For the collar to fit Perfectly, you should be able to put one or Two fingers between the neck and the collar.Order a larger chain If the Langth of the Neck Circumference is at the border between Two Sises.The Amber Chain must be close to your dog's Neck, but must not interfere with breathing.Destroy All Ticks and Fleas by other Means Before Using the Amber Chain.Amber Can Prevent the Infestation of Ticks and Fleas, but it will not help with Severe Insect Infestation.Change the Benstein Chain Annually or Twice a Season to Provide the Best Protection.Order a new chain when the stones are fully polished to maintain the effect of the amber chain.Daily use.100 Chemical Free, Non-toxic, No Insecticides Safe for Humans and Animals, No Side Effects On Your Pet, Your House Or Your Family. and Recommended use is included in the packaging.Professional Protection from Fleece and Ticks for Dogs and Cats.Handmade from 100 RAW Amber in Lithuania - The Country from which the Amber Comes from.Suitable for Dogs and Cats, Puppies and Kitten's even if they are allergic or pregnant.Waterproof, Odourless and No Effect on Your Pets Sense of Smell.Adjust the size with the metal chain. All amber stones are made from 100 genuine baltic amber, so the colour, size or shape may differ slightly. Important note about size: please measure the neck circumference of your pet correctly, so that you should not order another amber necklace. For the collar to fit perfectly, you should be able to put one or two fingers between the neck and the collar. Order a larger chain if the length of the neck circumference is at the border between two sizes. The amber chain must be close to your dog's neck, but must not interfere with breathing. Destroy all ticks and fleas by other means before using the amber chain. Amber can prevent the infestation of ticks and fleas, but it will not help with severe insect infestation. Change the benstein chain annually or twice a season to provide the best protection. Order a new chain when the stones are fully polished to maintain the effect of the amber chain. DAILY USE. 100 chemical free, non-toxic, no insecticides safe for humans and animals, no side effects on your pet, your house or your family. and recommended use is included in the packaging. Professional protection from fleece and ticks for dogs and cats. Handmade from 100 raw amber in Lithuania - the country from which the amber comes from. Suitable for dogs and cats, puppies and kittens even if they are allergic or pregnant. Waterproof, odourless and no effect on your pet's sense of smell.Bernsteinkette für Hunde und Katzen mit Lederschließe aus Roh Baltischer Bernstein (40-45)