Whistle™ Health 2.0 Case

Add a new accent color to your Whistle™ Health 2.0 with an additional attachment piece. Cases are available in four colors and slips on and off your favorite collar like a paperclip. Compatible with Whistle™ Health 2.0 Attachment made of flexible silicone material and steel clip Offset lock to stay secure on collar Works best with collars 2-3mm wide (not recommended for collars wider than 4.25mm) Appears flush with your dog’s collar for seamless wear