Dog leash handmade in France For an even more chic and relaxed look, in town as in the countryside, opt for the BIOthane® dog leash model MONTMARTRE and its soft brown color. What is biothane? BioThane® is an American brand that offers this material with a number of advantages: it is resistant to UV, water and dirt. It withstands cold, hot, resists abrasion, without ever losing its flexibility. BioThane® with a width of 19mm and a thickness of 2.5mm - breaking strength 340 kg - Standard B10 - Zinc buckles with antique brass finish Digital photo: there may be a slight color difference between the visual on the screen and the article Our leashes are solid and durable, but not infallible: always check the state of wear from time to time