Witzig dog choke-free harness made specifically for Dachshunds! ITEM DETAILS Fitted to prevent pressure on your dachshund's trachea or windpipe Crafted of lightweight, cooling mesh, with strong and durable velcro Machine washable SIZE GUIDE To determine the best size for your dachshund, measure their chest just behind their front legs, and add an inch to allow for comfort. If the pet can tuck its head and back out, the harness is too large and a smaller size should be selected. XS: 11" - 12" S: 13" - 14" M: 15" - 16" L: 17" - 18" XL: 19" - 20" XXL: 21" - 22"