This lead provides visibility in the dark from a distance for both man and dog the flexi lead also has bright neon lettering that looks great at daytime too this lead is of the usual great quality you would expect from flexi the lead rolls smoothly in and out of the casing without twisting or getting caught the handy stop lock engages with a simple push of the thumb locking the lead at the length of your choice making it easy to keep your dog under control the name flexi stands for premiu