This harness is made of recycled cotton to preserve natural resources. The material is highly durable, soft, flexible, and hypoallergenic. The Re-Cotton harness will suit even dogs with sensitive skin and allergy issues. The harness is designed to be completely harmless for your pet’s health. It distributes the load, allowing your dog to always feel comfy. It is stitched with a reflective thread to make your nighttime walks more comfortable.