Features: 1.Hook and loop buckle design: One-piece surround, full protection against neck, using hook-and-loop design, convenient buckle, easy to put on and take off, simple operation, save time. 2.Double O-ring design: Regardless of whether the maximum or minimum size is adjusted, the traction O-ring can be ensured to be centered, and the other O-ring can be hung with a pet bag/strap/dog tag, which has multiple functions. 3.Extraordinary light and thin experience: Only 58 grams, get rid of the traditional dull sense of restraint, and bring extremely comfortable light wearing experience for pets. 4.Breathable and comfortable fabric: Made of soft polyester material, breathable mesh fabric, breathable, light, and comfortable for pets 5.Great for Walking, Running, and Hiking: Breathable for all outdoor activities, hugs the pet with a flexible mesh that does not restrict your pet39;s natural movements. Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:PolyesterSponge CoreMesh Vest Size:as shown Leash length:1.2m Package List: 1x Dog Vest Harness 1x Leash