20ft Battleship Gray Biothane K9 Working Dog Leash - Waterproof Long

In this review of the Viper Biothane K9 Working Dog Leash the bottom line is simple: this 20ft battleship gray long line is built for users who need a waterproof, low-odor lead for tracking, training, and working dog tasks. The reviewer found it most valuable for handlers who spend time in wet, muddy, or cold conditions because the coated Biothane sheds water and dries quickly while staying flexible; this product is not chew proof and should not be used for tie out.

Key Features

• Waterproof coating: A bonded coating keeps the leash dry and odor-proof after wet use, making cleanup quick and simple.
• Flexible in extremes: The core substrate remains flexible in cold and resists softening in heat, so handling stays predictable across temperatures.
• Solid brass hardware: The heavy snap is rust resistant and suited to working dogs in demanding environments where corrosion would be a problem.
• Durability vs leather: The coated substrate resists cracking and splitting that can appear in leather after heavy outdoor use, extending service life.
• Multiple sizes and colors: Available in many lengths, widths, and colors so handlers can choose the right lead for training, tracking, or everyday work.

Who It's For

The leash is aimed at handlers of medium and large dogs who need a long line for tracking, obedience drills, Schutzhund training, or scent work in wet or dirty terrain. It suits professional users and hobbyists who require a clean, functional lead that dries fast and keeps smells down.

Those who should look elsewhere include owners seeking a chew proof tie-out solution or a fashion-leather accessory; the manufacturer specifically warns this material is not chew proof and is not intended for prolonged tethering.

Pros & Cons

Pros

• Waterproof surface that dries quickly, simplifying cleaning after swampy or rainy outings.
• Solid brass snap resists rust and feels secure for working dog use.
• Maintains flexibility in cold and does not soften in heat, preserving handling feel.
• Well constructed with no cracking or splitting reported in normal use.

Cons

• Not chew proof and not suitable for tie out, so it is not a replacement for heavy-duty tethering hardware.
• Users wanting a leather aesthetic or natural material may prefer a different style.

Specifications

Brand	Viper
Material	Coated Biothane with flexible substrate core
Length	20ft
Color	Battleship Gray
Hardware	Solid brass snap
Intended use	Tracking, training, working dogs
Made in	USA

Our Verdict

The 20ft battleship gray Biothane long line offers excellent value for handlers who work in wet, muddy, or temperature extreme conditions; its waterproof surface, durable construction, and brass hardware make it a reliable training and tracking tool. It is not a chew proof tie-out, but for controlled training and working scenarios it outperforms leather for low maintenance and longevity.

Frequently Asked Questions

Is this leash waterproof?
Yes, the Biothane coating is waterproof and designed to dry quickly and resist odors after wet use.

Can I use this for tie out?
No, the manufacturer warns it is not chew proof and should not be used for tie out or permanent tethering.

Will the hardware rust?
The leash uses solid brass hardware which is corrosion resistant and suitable for outdoor working conditions.