Feature: 1. The collar is made of reflective nylon webbing, good reflective effect under light conditions at night, and you can see the dog easily. 2. Effectively prevent dogs from getting lost at night, and can also alert vehicles to improve safety. 3. The collar accessories are made of alloy material, durable and does not rust, buckle can be engraved for easy to find dogs. 4. Durable alloy fittings, metal buckles, the Dring of the leashes is coated nickel alloy steel, light, durable and rustproof. 5. Comfortable neoprene material lining inside, soft and comfortable, can't strangle the dog's neck, suitable for small and medium dogs. Specification: Item Type: Dog Collars and Leashes Material: Neoprene+AlloyColor: As Picture Shown Collar Width(cm/in) Collar Adjustable Length(cm/in)Leashes Length(cm/in)Leashes Width(cm/in)XS 1.5/0.6 23-35/9.1-13.8 120/47.21.5/0.6S 2/0.8 27-40/10.6-15.7 120/47.21.5/0.6M 2.5/1.0 36-55/14.2-21.7 120/47.22/0.8 L 2.5/1.0 42-65/16.5-25.6 120/47.22.5/1.0Purpose: Pet reflective collar, traction rope. Package List: 1 x Dog Collars1 x Dog Leashes Note: Please allow 12cm/0.40.8in error due to manual measurement. Thanks for your understanding.