Type: DogsBrand Name: DTBCollar Type: Basic CollarsMaterial: NylonFeature: Quick ReleaseSeason: All SeasonsPattern: SolidDiameter: 18 cmis_customized: YesLength: 60Remaining Shelf Life: >6 monthsUsage: Collars & LeadsWidth: 5 cmApplicable Dog Breed: UniversalHeight: 3 cmModel Number: LJC20131203AWeight: 230 gUnit Type: piecePackage Weight: 0.360kg (0.79lb.)Package Size: 20cm x 12cm x 10cm (7.87in x 4.72in x 3.94in)Material:polyesterAs seen on TV， the Instant Trainer Leash instantly trains your dog to stop pulling !The Instant Trainer Leash uses gentle yet firm resistance to discourage your dog from pulling on the leash.Just clinch the leash to the dog's collar and down the dog's back and around the hips.The gentle contraction around the hips will make the dog stop pulling on the leash.Your dog will soon be on his best behavior whenever you take him out for walks. Leash attaches to any dog collar.No-choke design.Leash measures 6 feet long For dogs 30 lbs and over