Specifications:Discourages pulling on the leash. Easy to fit and use.Perfect for teaching dogs to walk nicely on a leash.The harnesses are made from premium nylon, which is both soft and flexible, whilst remaining strong.This harness offers optimal comfort and style for any dog.The adjustable straps can help the harness conform perfectly to your dog.Type: Harness + LeashMaterial: NylonSuitable for: GeneralSize Details[Our Size S] Leash Length: 110cm/43.31", Suitable Chest: 41cm - 52cm/16.14" - 20.47", Strap Width: 1.5cm/0.59", Suitable for Small Dogs (Approx.)[Our Size M] Leash Length: 110cm/43.31", Suitable Chest: 50cm - 62cm/19.69" - 24.41", Strap Width: 2cm/0.79", Suitable for Medium Dog (Approx.)[Our Size L] Leash Length: 110cm/43.31", Suitable Chest: 63cm - 77cm/24.80" - 30.31", Strap Width: 2.5cm/0.98", Suitable for Medium and Large Dogs (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.