No Pull Adjustable Dog Harness At Active Dogs we find environmentally conscious materials and incorporate them into our products. SHIPS FROM THE USA FAST SO THERE IS NO DELAY ! The Harness Hug's features: Soft, durable ecological friendly straps Non-Toxic, light-weight polyester mesh webbing No-Choke for protection of the dogs throat Breathable for all outdoor activities Hugs the dog with a flexible air-mesh that maintains the dog's natural movement. Instructions: Adjust Harness to estimate dog's size Position the Harness in place. The smaller size is for the neck opening Adjust sides for a perfect fit around the body (about 2 fingers should be able to fit) Size Base of Neck Chest Girth Weight XS 7.5" 9-13" 4-6 lbs S 9.8" 12-18" 6-10 lbs M 12.5" 14-29" 10-17 lbs L 14.0" 19-29" 18-27lbs XL 15.7" 21-32" 28-47 lbs We stand behind our Product, any problems, please contact us via messaging and we will respond asap, check our Feedback, 100% customer satisfaction guaranteed.