Now in appealing outdoor colors, our durable nylon car harnesses keep pets safe while traveling in vehicles. Harnesses are fully adjustable at neck and chest. Universal seat belt clip fits most vehicles, while the adjustable safety strap allows pets to sit, lie down, or stand comfortably. Attaches easily to fit most vehicles. Note: Does NOT fit SAAB and Volvo models, or Ford Explorers. For proper fit, measure girth around the broadest part of the chest. X-Small fits 7"-16" girths Small, fits 12"-28" girths, Large fits 28"-36" girth, X-Large fits 32"-44" girths. Material: 100% Nylon. Care: Spot clean with a damp cloth. Place harness on dog, so that metal D-ring is on dog¿s back, facing the tail. Unbuckle straps and place shorter strap around dog¿s neck. Fasten buckle. Pull dog¿s right front leg through the harness. Bring longer strap behind the dog¿s front legs and fasten buckle. After fastening buckles, use plastic slides to adjust straps. Leave enough room for two fingers to fit under the straps. Attach the safety strap swivel clasp to the D-ring on back of the harness. Insert the safety clip into the seat belt buckle on vehicle seat. Adjust the safety strap to desired length so that pet can comfortably sit, lie down, or stand.