Welcome to the store! SAFETY: Highly reflective threads provide high visibility at night for safety. And you can easily find your furry pet in the backyard at night. MATERIAL: The dog collar is made of nylon with thick neoprene padding on the back, making it soft. This prevents irritation to the neck and makes it an all-weather dog collar. CLASSIC: This nylon dog collar is a classic yet stylish collar available in 12 colors and 5 sizes so you can find just the right one for your dog. A separate loop on the collar makes it easy to add dog tags and leashes to the collar. COMFORTABLE: For quick release, the buckles are made of ABS plastic. The buckles allow the collar to be adjusted around the dog's neck for ultimate comfort. SIZE: X-Small Width 1.5 cm, Neck Size 20-30 cm. Small Width 2 cm, Neck Size 30-40 cm. Medium Width 2.5 cm, Neck Size 35-50 cm. Large Width 2.5 cm, Neck Size 40-60 cm. X-Large Width 3 cm, Neck Size 45-70 cm. Suitable for puppies, small, medium, and large dogs. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!