Custom Brass Leashes + Long Lines - Small Dogs (3/8" Width)
Our All-Time BEST SELLER!
Build your own custom BioThane® leash or long line today!
Why You'll Love It
✅ 15+ Color Choices – Choose from a wide array of beautiful colors in a single or two-tone design. The possibilities are endless!
✅ Made from Genuine BioThane® – Stink-proof, antimicrobial, easy to clean, and super durable, while remaining soft and comfortable in the hand.
✅ Handmade to Order – Crafted in Oakland, California by our all-woman team. Your custom leash ships in 5 to 10 business days.
✅ Lifetime Guarantee – Enjoy peace of mind with our lifetime guarantee against defects in materials or workmanship.
💬 “Best item I've ever purchased for my dog. Super high quality, feels like leather, wipes clean, and withstands all types of adventures. 10/10!” – Tessa C.
How to Customize Your Leash
Step 1: Pick Your Hardware
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Solid Brass – Rust-proof and durable, with a classic look.
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Sport (Autolocking Carabiner) – Lightweight, strong, and secure, with a modern look.
Step 2: Pick Your Size
Width:
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Small (3/8") – Best for dogs under 30 lbs
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Medium (1/2") – Best for dogs 30-60 lbs
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Large (3/4") – Best for dogs over 60 lbs
Note: These are comfort guidelines, NOT safety ratings. BioThane® is incredibly strong and an undamaged line will not break even with the most determined pulling. Longer lines naturally become heavier. For better handling and ease of use, choose a thinner width as length increases.
Length:
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4 to 6 ft – Best for close control in crowded or tight spaces.
6 ft = conventional "standard" leash length -
8 to 12 ft – Perfect as an all-purpose, everyday leash
10 ft = bestselling everyday leash -
15 to 20 ft – Ideal for hikes, beach trips, camping, travel, and training
15 ft = ideal hiking leash
20 ft = versatile adventure + training leash -
30 to 50 ft – Best for open fields, quiet beaches, SniffSpots, or backyards.
30 ft = great for intermediate/advanced long line users
Step 3: Pick Your Colors
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Single Color or Two Tone - Two tone leashes have an accent color at the clip and handle ends.
Most popular color combos:
Sage + Forest Green
Black + Caramel
Ocean + Midnight
Poppy + Plum
Green Apple + Blueberry
Lavender + Violet
Step 4: Choose Your Handle
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Standard Loop Handle - default selection
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Convertible Handle + Sliding O-Ring – For hands-free use; our most popular customization!
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No Handle / Drag Line – Reduces snagging; ideal for off leash or off trail hikes.
- Add specialized hardware like a D Ring or O Ring to your leash handle.
Step 5: Add an Optional Built-in Traffic Handle for more control when you need it:
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At base of leash
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12" above leash clip (most popular)
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18" above leash clip
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24" above leash clip
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Custom placement (Leave a note at checkout)
Need Your Leash Faster?
Check out our Standard Leash Collection – same great quality with a shorter lead time and FREE returns!
Need help?
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Not sure which leash is right for you? Check out our FAQs or Contact Us.
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Learn more about our Shipping and Return Policies.
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I wanted a biothane leash for my small dog. All the ones that I found had giant hardware, which was too heavy for my miniature schnauzer. I was able to get a custom length, width, and color with small hardware, which was perfect for her. It was really well made we use ours multiple times a day and they hold up and can be cleaned easily. Even though it was custom-made, it still arrived fairly quickly.
We are honored to help make your 'small' leash dreams come true! Thank you Cara, cheers to many happy adventures! Thank you for sharing pics too!
I have always love biothane leash because of its ease to clean and all the colors. I tried a longer length this time with the gorgeous sage color (my current fav). I like it. It gives my pup a bit more freedom and she seems to like it too.
Thank you Jennifer! We wish you (both) many happy trails!