1The collar is made of reflective nylon webbing, good reflective effect under light conditions at night, and you can see the dog easily. 2Effectively prevent dogs from getting lost at night, and can also alert vehicles to improve safety. 3The collar accessories are made of alloy material, durable and does not rust, buckle can be engraved for easy to find dogs. 4Durable alloy fittings, metal buckles, the Dring of the leashes is coated nickel alloy steel, light, durable and rustproof. 5Comfortable neoprene material lining inside, soft and comfortable, can't strangle the dog's neck, suitable for small and medium dogs.