Please note: The size does not directly match your pet s breed, size, or weight. Measure your pet before purchase and refer to our second attached picture to choose the right size. This comfortable cat holder features a soft texture and breathable mesh to keep your cat cool and unstuffy. Lightweight, it won t make your cat feel heavy while walking, making it suitable for daily outings, walks, jogs, and other outdoor recreational activities. The harness uses adjustable straps and snaps for a snug, easy fit that protects your cat from discomfort or stretching, helping them accept the harness. Designed for convenience, it s easy to put on and take off, with adjustable straps that accommodate your cat s growth so it remains usable as they get bigger. Available sizes: M:(Neck:11.81"" chest:14.56""-18.50""), Xl:(Neck:14.56"" chest:18.11""-24.01""), S:(Neck:9.44"" chest:11.02""-14.96""), L:(Neck:13.77"" chest:16.53""-22.04""). Available colors: black, green, orange, pink, red, sky blue