Safe Training Outdoors: The Coachi Training Line Allows You To Give Your Dog More Freedom Outdoors Whilst Keeping Control In New Situations, Perfect For Puppies, Newly Acquired And Nervous Dogs.Recall Training: An Essential Accessory, The Training Line Allows You To Safely Practice Your Recall When Out In Open Spaces And Allows You To Reinforce This Command, Should They Try And Run Off!Dog &Amp; Puppy Socialisation: Perfect Training Accessory For Outings In A Public Place, The Line Allows Safe And Controlled Socialisation For Puppies, Newly Acquired Or Nervous And Aggressive Dogs.Waterproof: The Waterproof Outer Keeps The Line Dry So It'S Easy To Manage And Grip In All Weathers, The Non-Absorbent Material Also Means That It Won'T Get Wet And Heavy. Easy To Clean: The Coachi Training Line Is Super Easy To Clean And Can Just Be Rinsed Off! The Attractive, Two-Tone 10M Training Line Is Suitable For All Puppies And Dogs.