The Helios Splash-Explore Outer Performance 3M Reflective and Adjustable Buoyant Dog Harness is composed of 600D Oxford Nylon that is Durable, Tear Resistant and offers Buoyant properties. This Dog Harness features an above-top rescue handle for easy rescue in water by boat hook or grabbing. Features a double sided harness ring and features Bar-Tack double stitching complemented with 3M Reflective weaving on the sides and back for extreme safety. features 3 very strong buckles that gently release when clicked. Great for land or Sea usages. Get Outdoors with Helios Dog! Available in Multiple Colors. SIZING MEASUREMENTS:SMALL: Body: 8.7 Chest: 18.1 - 21.6 Neck: 16.9 - 19.7 MEDIUM: Body: 9.8 Chest: 20.5 - 24.8 Neck: 19.3 - 23.2LARGE: Body: 11.8 Chest: 23.2 - 28.3 Neck: 23.2 - 27.6 Features: Reflective, Heavy-Duty Pet Intended For: Dog Measurements: 8.7 Height\Inches, 18.3 Width\Inches, 19.8 Length\Inches Base Material: 60% Nylon, 40% Polyester Care: Wipe Clean Country of Origin: Imported The Pet Life Helios Splash-Explore Outer Performance 3M Reflective and Adjustable Buoyant Dog Harness and Life Jacket