Leather Rhinestones Bling Dog Harness, X Small, Black, Argentinean Leather (Malibu) For X Small breeds. Neck: 6"-9.5". Chest: 12"-14.5" The best in quality, comfort, style, design and price. 100% genuine Argentinean leather harnesses with rhinestones. For Extra Small breeds - Neck sizes: 6 inch. - 9.5 inch. Chest sizes: 12 inch - 14 inch Fully adjustable, with a quick release snap to make putting on and removing much easier. A felt lining along the breast plate prevents agitation and irritation.