As a pet product reviewer with 5 years of testing experience, I’ve seen countless dog collar sets claim to balance style and functionality—yet most fall short. Either they’re too flimsy for energetic pups, too stiff to cause discomfort, or lack the customization pet owners crave. That’s why the Custom Colors Microfiber Dog Leash Collar Set by Kingmix (Model KX03) stands out: it addresses every pain point I’ve observed, from durability to design flexibility. If you’re tired of replacing low-quality pet gear or settling for generic styles, this set deserves a spot on your radar.
The first thing that impressed me during testing was the KX03’s material choice. Unlike cheap nylon collars that fray after a month or stiff leather options that irritate sensitive skin, this set combines microfiber and nylon for a perfect blend of softness and strength. During a 2-week trial with a 35kg Golden Retriever (known for pulling during walks), the collar showed zero signs of wear—no fraying, no buckle damage, and no discomfort for the dog. This durability isn’t an accident: the double-layer construction adds extra resilience, making it suitable for even giant breeds. For pet owners who prioritize long-lasting gear, the Kingmix KX03 set eliminates the hassle of frequent replacements.
Style shouldn’t be an afterthought when it comes to pet accessories—and the KX03 delivers here, too. The bowknot print pattern adds a touch of elegance without being overly flashy, and the golden metal accessories elevate its premium feel. What really sets it apart, though, is the customization options. Whether you want to match the set to your dog’s personality (think soft pastels for a gentle Shih Tzu or bold hues for a playful Bulldog) or add a personalized logo (great for pet boutiques or groomers), the manufacturer accommodates these requests. Having tested 12 custom color variants, I found the color fastness impressive—even after multiple washes, the shades stayed vibrant, with no bleeding or fading. This level of attention to detail is rare in mid-range pet products.
For retailers, the KX03 isn’t just a great product—it’s a profitable one. With a retail price of $25.15 per unit and a profit margin of up to 94%, it outperforms many competitors in the basic collars category (it currently ranks #30 on major e-commerce platforms). During a conversation with a pet store owner who stocks the set, they noted that “customers keep coming back for the KX03 because it’s both stylish and durable—we rarely get returns.” The set’s appeal isn’t limited to individual buyers, either: its versatility (suitable for all seasons and breeds) makes it a top seller for both online and brick-and-mortar stores. To learn more about sourcing this high-demand product, you can visit the official page of Dongguan Jinmin Craft Gift Co., Ltd., the manufacturer behind the Kingmix brand.
Practicality is another key strength of the KX03. The set includes a collar, leash, and harness—everything you need for daily walks or training—so you don’t have to buy these items separately. The harness, in particular, was a standout during testing: it distributes pressure evenly across the dog’s chest, reducing strain on the neck (a common issue with collar-only setups). For new pet owners still figuring out the right fit, the size options (XS to L) cover every breed, from tiny Chihuahuas to giant Great Danes. The table below breaks down the size details to help you choose the perfect fit for your dog:
Size | Recommended Breed Type | Neck Circumference Range | Width |
|---|---|---|---|
XS | Tiny (e.g., Chihuahua) | 20–28 cm | 1.5 cm |
S | Small (e.g., Shih Tzu) | 28–35 cm | 1.5 cm |
M | Medium (e.g., Cocker Spaniel) | 35–45 cm | 2.0 cm |
L | Large/Giant (e.g., Golden Retriever, Great Dane) | 45–60 cm | 2.5 cm |
Ordering and production are straightforward, too—important for both individual buyers and retailers. The minimum order quantity (MOQ) is 50 pieces, which is reasonable for small businesses, and the production timeline is transparent: 15 days for samples (ideal for checking custom colors or logos) and 28 days for mass production. Delivery via express or air takes 7–12 days, so you won’t be waiting months for your order. The payment terms (50% deposit 50% balance) also offer flexibility, reducing upfront risk for new buyers.
When it comes to after-sales support, Kingmix (backed by Dongguan Jinmin Craft Gift Co., Ltd.) prioritizes customer trust. While specific return policies vary by seller, the brand’s 91.7% customer satisfaction rate speaks volumes. During my research, I found that most issues (e.g., incorrect sizes) are resolved within 48 hours, with the manufacturer offering either replacements or refunds. This level of reliability is crucial for pet owners—no one wants to be stuck with a product that doesn’t work for their dog. Additionally, the brand exports to the US, UK, and Spain, so international buyers can rest easy knowing the product meets global safety standards.
For pet owners on the fence, let’s address a common concern: “Is the KX03 worth the price?” Based on my testing and feedback from other users, the answer is yes. While it’s slightly more expensive than generic collar sets ($10–$15), the durability, comfort, and style justify the cost. A single KX03 set can last 6–12 months (or longer for less active dogs), whereas cheaper options often need replacement every 1–2 months. Over time, this means the KX03 is actually more cost-effective. For retailers, the high profit margin and consistent demand make it a low-risk, high-reward addition to inventory.
In conclusion, the Kingmix KX03 Microfiber Dog Leash Collar Set isn’t just another pet accessory—it’s a solution to the most common frustrations pet owners and retailers face: flimsy gear, boring designs, low profitability, and unreliable service. Whether you’re a dog parent looking for a long-lasting, stylish set or a retailer searching for a top-selling product, the KX03 delivers on every front. After testing dozens of pet collar sets over the years, this one has earned a permanent spot in my “highly recommended” list—and it’s likely to earn yours, too.