Suitable for cats of different body types, this cat car harness requires measuring your cat s chest, neck, and weight to ensure a proper fit. Equipped with an adaptable car seat belt insert, it lets your curious cat explore freely while driving without disturbing you or risking window jumping. The upgraded design features four adjustable buckles that increase head and chest adaptability, allowing you to change the holding fulcrum and tighten areas to prevent escape. Made with breathable air mesh, this comfortable harness snugly fits your feline friend while keeping them cool it s soft, lightweight, and ideal for daily walks, jogging, training, or outdoor activities. It also works well as a comfort harness for trips to unfamiliar places like the vet or groomer. The buckle design lets you adjust head and chest circumference to prevent escape and avoid suffocation. Available sizes: S (7-12lb), Xs (4-6lb), M (13-18lb). Available colors: Black, Blue, Orange, Pink, Purple