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BioThane® Standard Long Line - 24 colours

BioThane® Standard Long Line - 24 colours
BioThane® Standard Long Line - 24 colours BioThane® Standard Long Line - 24 colours BioThane® Standard Long Line - 24 colours
BioThane® Standard Long Line - 24 colours
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A beautifully handmade long line made of standard Biothane ideal for recall training or tracking for medium, large and extra large sized dogs over approx. 10kg of weight (if your dog is under 10kg choose our lightweight puppy and small dog long lines instead). Our standard long lines are available in various colours and either without handle, with standard handle or with a clip on (removable) handle.

Available sizes: 
- Medium and large dog (10-35kg) with standard sized trigger hook
- Extra large dog (over 35kg) with extra large sized trigger hook

Biothane leads are very strong and durable yet look stylish and feel comfortable in hand. They are ideal for everyday use, and perfect for muddy and wet conditions as they are waterproof and can be easily wiped clean with just a wet cloth. No more soggy long lines!

If you can't find a size or colour you are looking for, please contact us and we are happy to help.

Write an online review and share your thoughts with other shoppers!

Sue Bailey-Nantwich -5 Stars

Safe and strong

Whilst these products are not the cheapest they are great quality. The long line is specially are much safer than the usual cord drag lines.

Julie Lee-Chester-5 Stars

Excellent quality

Excellent quality and fab choice of colours. I have 2 Rockit Dog long lines now for my 2 girls, bought the first for my beagle pup and have just upgraded my eldest (schnoodle) to a purple one from her fabric one that the beagle managed to chew through whilst I wasn’t looking 😳

Service was brilliant arrived in a few days, wasn’t convinced it was going to arrive in time as we’re going on holiday just as the old one got chewed through but I thought I’ll need it when we get back anyway so see what happens and yep turned up the day before we left…relief. Well done Rockit Dog design 🐶😊

Suzanne Ereira-London-5 Stars


We have 3 long lines from here now. One for each of our dogs. Brilliantly made and excellent colour choices. Will be returning for more in the future and recommending to all.

Stephen M-Sussex-5 Stars

Very good quality Long Lines

I've used these BioThane lines before, sourced from another supplier. However, RockIt is THE place to buy them. Huge range of colours, brass fitting option offered (rather than nickel), choice of line width and fittings depending on how heavy the dog is. Choose your own length option too. An invaluable training tool when recall is not yet 100%. Excellent service.

Alex Rowley-Wirral-5 Stars

Great Long Line!

I've had three long lines in total now, this one is far better than any other I've tried and I'd actively recommend to anyone. The waterproof nature of biothane means the lead doesn't get nearly as dirty, heavy and wet as others I've tried. Well worth the buy and is making my recall training a much better experience.

Dispatch from order date was very quick!

I've purchased another extension for this lead and a separate standard lead just due to the high quality at RockItDog!

Thank you!

Louise West-Wiltshire-5 Stars

Great lead and prompt delivery

This is perfect for our lab who has hit adolescence and decided I'm not as fun as everything else now! Perfect for going back to basics on recall while allowing him the freedom to sniff and tire himself out. The lead is very well made and great for the chalky muddy walks we do. Doesn't get heavy like fabric long lines and wipeable when you return home/to the car.

Karen -Scotland -5 Stars


Bought this lead to exercise a reactive large dog and it’s fantastic. Strong, well made and copes easily with a 30kg (occasionally lunging) dog. Wipes clean and doesn’t get heavy when wet or muddy.

Rock It Dog Design were so helpful in answering my questions and kept me up to date with the progress of my order.

There are cheaper biothane leads around but I wanted to be sure of buying a good quality one which would hold my dog . So glad I went for Rock It Dog Design and cannot recommend them highly enough.