Inquiry about Vest-style Dog Harness, Leash, Collar for Small and Medium Dogs

We are developing a new premium dog accessories brand and need to produce vest-style dog harnesses, matching leashes, and collars for small and medium-sized dogs. Emphasis is on comfort, ergonomics, high-quality materials, durability, and clean, premium finishing. We require estimated unit costs (EXW) for each item, minimum order quantities per design and color, recommended materials suitable for small and medium dogs, sample costs and lead times, production lead times, and your experience with vest-style harnesses and matching accessories. Initial test production may involve 2 design variants. If possible, we would appreciate free or low-cost samples of similar products, photos of your previous work, and certifications like REACH or OEKO-TEX.