Adjustable Martingale Collar A secure, adjustable collar designed to grow with your dog. Our Adjustable Martingale Collar combines the safety and control of a traditional martingale with the added convenience of an adjustable design. Perfect for growing puppies or dogs whose size fluctuates, this collar provides a customized fit while helping prevent dogs from backing out during walks when fitted and used correctly. Handcrafted from premium BioThane®, it's waterproof, stink-proof, easy to clean, and built to withstand every adventure. Features Adjustable design for a customized fit Provides gentle control when used correctly Helps prevent dogs from slipping out of their collar Ideal for growing puppies and changing body conditions Premium waterproof BioThane® Waterproof & stink-proof Easy to clean Handmade in Canada Please Note: Martingale collars should always be properly fitted and are intended for supervised use. They should not be left on unattended dogs. Ordering Information SizeChoose the size range that best fits your dog. The adjustable design provides flexibility while ensuring a secure, comfortable fit. ThicknessSelect the width that best suits your dog's size, coat length, and personal preference. Chain ColourChoose between our available chain finishes to complete your collar's look. HardwareSelect your preferred hardware finish to complement your custom colour combination. Collar MeasurementProvide your dog's exact collar measurement (not neck measurement) so your collar can be custom-made for the best possible fit. Primary ColourChoose your favourite BioThane® colour for one half of your collar. Exclusive colours may require longer production times and have an additional charge. Secondary / Accent ColourSelect a second BioThane® colour for the opposite half of the collar to create a bold, custom two-tone design. Exclusive colours may require longer production times and have an additional charge. BioThane® Strap Keeper (Optional)Add a matching BioThane® strap keeper to help keep the excess adjustment strap neatly secured. The strap keeper will be made using your selected Secondary Colour. Seen in Photos Olive Green with Solid Brass Hardware and Solid Brass Chain Need inspiration? Visit @topdoggear.ca on Instagram to see this product in action, browse customer colour combinations, and find ideas for your next custom order.