
Quality, Durability & Performance
Built for Trainers. Trusted by Pros.
The HOLLENHUND custom E-collar strap isn’t just another accessory – it’s a serious tool for handlers who demand the best. Each collar is hand-crafted through OMEGA K9 with premium real Biothane – a modern material celebrated for its strength, flexibility, and weatherproof durability. This is paired with PVC-coated hardware that resists rust, corrosion, and grit, ensuring your gear performs in any condition.
At ¾” wide, the strap strikes the perfect balance – wide enough for stability and contact, but slim enough for agility and comfort. It integrates smoothly with most major E-collar receivers, without adding bulk or weight to your dog’s neck.
Unlike cheap imitations or stiff materials, Biothane offers a soft – yet-tough texture that won’t chafe or irritate your dog’s skin. It stays pliable in extreme cold and doesn’t get sticky or brittle over time. The snug-fit design prevents the collar from shifting around or pressing uncomfortably, helping you maintain effective contact during training without the risk of choking.
The quick-release clip and tool-free adjustability make it perfect for handlers on the move—no fumbling with buckles or cutting to size. Whether you’re doing urban obedience, rural off-leash recall, or anything in between, this strap adapts with you.
Durability you can trust. Comfort your dog deserves. Style you’ll love. The HOLLENHUND collar sets a new standard for E-collar gear.
Get the Perfect Fit
For the most accurate fit, use a soft measuring tape or string around the base of the neck where the collar will sit.
- Use a soft tape or string to measure around your dog’s neck snugly—no gaps.
- Match that number to the strap size you select.
- Our bungee and closure system flexes with your dog throughout the day.
- Designed for 30lb+ dogs with zero guesswork.
Estimated Dog Neck Circumference by Weight (General Guide)
| Dog Weight | Estimated Neck Size (Circumference) |
|---|---|
| 30–40 lbs | 14″ – 16″ (35 – 41 cm) |
| 40–50 lbs | 16″ – 18″ (41 – 46 cm) |
| 50–70 lbs | 18″ – 20″ (46 – 51 cm) |
| 70–90 lbs | 20″ – 22″ (51 – 56 cm) |
| 90–110 lbs | 22″ – 24″ (56 – 61 cm) |
| 110+ lbs | 24″ – 28″ (61 – 71 cm) |
Need some extra guidance or help sizing?
While every dog is different, you can estimate your dog’s neck size by weight using the chart, but we are always here to help; do you have questions not answered above or below, or making a special request size, or did you wanna tell how awesome these are? Contact Us or message us @omegak9_actual.
10 Biothane Colors Available

Lifetime Hardware Warranty
We stand behind every product. Hardware covered for life—just cover shipping.
Built in Edmonton, Alberta
Hand-crafted by professionals who train, not just sell.
Used by Working Dog Teams
Trusted by handlers across Canada for SAR, sport, service, and obedience.
Custom Fit. No Guessing
Easy to measure, easy to adjust. Comfort that holds up in the field.
Frequently asked questions
Each collar is built with the latest-generation Biothane, offering superior strength, flexibility, and resistance to water, odor, and abrasion. The PVC-coated hardware adds rust-resistance and rugged durability for any environment.
The HOLLENHUND collar is designed for dogs 30 lbs and up. The integrated bungee-based fit system allows the collar to adjust across a wide range of neck sizes, staying snug and secure throughout any level of activity.
Use a soft measuring tape or string, placed snugly (not loosely) around your dog’s neck where the collar will sit. This ensures the best fit and optimal contact for the E-collar receiver.
No. This is a non-load bearing training collar, designed specifically to hold an E-collar receiver. It should not be used for leash attachment, restraint, or tethering.
No. The custom bungee system ensures a non-restrictive fit that moves with your dog, maintaining proper contact without pressure points or discomfort. It's ideal for extended wear during training or activity.
Thanks to its premium materials and craftsmanship, the HOLLENHUND collar is built to last years under regular use. Many handlers report using the same strap for over five years without issue.
The HOLLENHUND line includes 10 vibrant colors, each with its own tactical-inspired name—letting you match your gear, dog, or personal style.
Yes! We offer a lifetime warranty on all hardware components. If anything fails, OMEGA K9 will replace it—you just cover shipping to and from our shop.
Pick-up is available Monday to Saturday, 08:00-17:00.
Local delivery available, additional charges apply. Standard shipping is also available at the customers request, and cost.
The HOLLENHUND collar is designed and manufactured in Edmonton, Alberta Canada.
OMEGA K9 is proud to support local makers and distributors.
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