Bisley Traditional Lanyards feature strong, reliable nylon lanyards with fixed neck loops on which to attach your dog whistles. Available in a 3mm single clip or 3mm double clip and a 4mm adjustable swivel clip end, the lanyards are made from durable nylon fibres that will keep your vital dog whistles close to hand and your dog under control. Choose from a 3mm Single clip or Double clip, 4mm Laynard with swivel clip end Size: 3mm, 3mm Double Clip, 4mm