We are professional dog collar manufacture and also pet lover. This dog collar is perfect for walking and training your pets. Make of Nylon material, the dog collar is durable and lightweight, which let you and your pets more comfortable and freedom. We believe, simple design contain endless love. SAFETY: Durable collar highly visible in dim conditions during night walk.Reflective - Bright solid and black color with reflective stitching, is highly visible in dark. Safety enough for outdoor walking.