Introducing the Top Dog Gear Basic Martingale Collar - a tailored fit designed specifically for your dog's measurements. This collar provides added control when used correctly, and extra safety by preventing your dog from slipping out. As always, made with easy to clean BioThane made ready for any adventure! The Martingale Collar requires your dog's exact neck measurement for the custom fit. Size: Custom fit for your furry companion, this style of collar is not adjustable. Thickness: Choose from three thickness options designed to complement your dog's size, fur length, and your personal taste. Customize the perfect look for your furry friend with the ideal width as seen around their neck. Chain: Choose from two chain hardware colours to suit your style! Hardware: Choose from a variety of hardware options to suit every preference. Our selection ensures there's something for everyone, allowing you to match the BioThane with hardware that complements your style seamlessly. Collar Measurement (Inches): Provide your dog's exact collar measurement for a perfect fit within your chosen size range. Experience the tailored comfort of a custom-fit collar designed just for your furry companion! Primary Colour: Choose your favorite colour from our extensive BioThane palette, allowing you to create a customized look you'll love. *Exclusive (longer wait times for production and increased prices) BioThane Upgrade - “Super Heavy”: Choose to upgrade your BioThane to an extra thick Biothane for increased durability option. Seen in Photos: Photos 1-6: Merlot with stainless steel hardware and chain. Photo 7: Snow with solid brass hardware and chain Photos 8-9: Lavender with stainless steel hardware and chain *Head over to our social media page (Instagram: topdoggear.ca) to see examples of this product being used as well as colour samples and combinations to get ideas for your next purchase!