Size: S — Bust: 23-28cm/9.1-11.0", Recommended Weight: 1-3kg M: Chest: 28-33cm, Recommended Weight: 3-4.5kg .L: Chest: 33-38cm , Recommended weight: 4.5-7kg Please measure your cat carefully and refer to the size chart before ordering. SUPER COMFORTABLE AND BREATHABLE MATERIAL - The harness vest style is made of a lightweight, breathable mesh material that won’t overheat in hot weather and retains heat in winter. EXCELLENT FIT - Adjustable straps with a durable Duraflex buckle that withstands a large load capacity to prevent your pet from coming loose.You can easily adjust the harness to give your cat the perfect fit.It’s also virtually escape-proof with its secure vest-like design. Safe and better control: our cat harness with a seam on the top adapts to the neck and chest of the cat It has also Also a soft edge and elastic padding to make sure cats don’t hurt themselves when escaping. It therefore offers much more comfort and security than an H-style harness. < p> EASY TO WEAR