Lifeful&reg; Dog Adjustable and Breathable Daily Basic Vest Harness, Fastens By the Firm and Quick-Release Buckle, Good Pulling Control By Heavy-Duty D-Ring and Nylon Pull Belt, with Wide and Safe Reflective Front Chest Strap, Comfy and Durable, Size Medium, Fits 23.6" &ndash; 29.5" Chest, Red Color High-quality sandwich meshes fabric vest harness, with very soft lining, breathable and lightweight, comfy for dogs in daily life in all seasons. Durable, wide and adjustable strap at underside, which fastens by the firm and quick-release buckle, all makes it very easy to put on, but difficult to slip off, also convenient for different chest sizes. Wide, no choking and safe reflective front chest strap, which brings more comfort and guarantees dog's security at night. Good pulling control by the top heavy-duty D-ring; the nearby nylon pull belt allows more flexible controlling. All strong stitching works can support dog's vigorous sports. Measurement of Size M: Fits dogs whose chest girth at 23.6  29.5. Outer packing comes with Lifeful unique hang-tag.