Extra Small, Black, Dog Sport Harness, Maximum Comfort With Elasticized Neck Straps, Girth Strap Features 2 Quick Snap Buckles For Ease Of Use & 2 Adjustment Points For Optimal Fit, Padded Handle For Extra Control, Reflective Detailing For Increased Safety & Visibility, Convenient Top Lease Attachment, Girth Measurements 15"-21.5".