3/4" BioThane® Flat Dog Collar | Waterproof & Odor-Proof Adventure Collar

The Ulti-Mutt 3/4" BioThane® Flat Collar is the last collar you’ll ever need to buy. Designed for the active dog, this collar combines the classic look of leather with the modern durability of BioThane®. It is 100% waterproof, odor-proof, and antimicrobial, making it the perfect choice for beach trips, muddy hikes, and everyday adventures.

Unlike traditional nylon or leather, our collars do not absorb moisture or harbor bacteria. If it gets dirty, simply wash it with soap and water—or even bleach—to bring it back to its original vibrancy. With a slimmer 3/4-inch profile, it’s the ideal weight for small to medium breeds or owners who prefer a streamlined look without sacrificing strength.

Key Features:

• Genuine BioThane®: Proudly made with durable, high-quality material that won't crack or peel.

• Maintenance-Free: Completely waterproof and stink-proof; simply wipe clean in seconds.

• Rust-Resistant Hardware: Choose from Nickel, Gold, or Black finishes to match your dog's style.

• Adventure-Ready: UV-resistant and flexible even in freezing temperatures.

• Mix & Match: Available in a wide spectrum of colors to pair perfectly with our hands-free leashes and euroleads.

Sizing Guide:

• X-Small: 12-15"

• Small: 15-18”

• Medium: 18-22”

• Large: 22-25”