Made of a lightweight and heat-releasing UPF 20 fabric with cooling packs inside, Cool Pup™ Reflective Cooling Harnesses stay cool for up to six hours after just an hour in the freezer. X-Small Harness fits chests 11"–13" (neck width is 8") Small Harness fits chests 12"–17" (neck width is 10") Medium Harness fits chests 16"–22" (neck width is 13") Large Harness fits chests 19"–26" (neck width is 15") X-Large Harness fits chests 24"–32" (neck width is 16") Instructions:Use one of the following three freezing methods: With the removable cooling packs in place, submerge the entire harness into cold water. Wring out excess water and place the harness in a freezer-ready plastic bag. Place the harness and the bag in the freezer for an hour. Remove the harness from the freezer and let it thaw up to 15 minutes, then fasten it around the dog. Or, with the removable cooling packs in place, freeze the harness dry, in a freezer-ready plastic bag, without submerging it in water. Or, freeze just the gel inserts, and then place them into the harness. Make sure the adjustable chest panel is fastened snugly against the dog's harness. Harness remains cool for up to six hours. Remove harness from dog when it no longer is cool. Repeat steps as necessary.
