SIZING - S: Chest:9-11 Range weight:2-6 lbs M: Chest:11-13 Range weight:6-10 lbs L: Chest:13-15 Range weight:10-16 lbs. Its suitable for most cats puppies and small animals. Package includes: 1x Small Cat Walking Vest and 1x Walking Nylon Leash (150cm) . NEW MATERIAL CATIONIC FABRIC - Cationic fabrics have super soft touching, comfortable wearing and lightweight. The effect is similar to natural fabrics, with good elasticity and hygienic propertiesEnvironmentally friendly materials. This material can be used for gym suit, underwear, swimwear and sports wearing. Your pet would feel great to wear this vest harness. . NEW DESIGN - escape proof cat harness with durable and strong Magic Tape, light filling material, moisture absorption, quick drying, odor reduction, toughness, wear resistance and high elastic properties. 360Wrap-Around Chest Back, Its vest-style design can evenly distribute leash pressure across the chest and shoulder to prevent choking or neck strain, which is much safer and more comfortable than a basic halter or H-style harness. . ESCAPE PROOF OUTDOOR HARNESS - This real comfy small pet harness will snugly fit your feline friends body, the chest girth is adjustable which allow a just-right fit for your flexible cat and both sides have a sturdy Safety Buckle for a more secured closure. Suitable for daily walking, jogging, training, and any outdoor recreations, activities. . EASY ON AND OFF -This Step-in cat harness is easy to put on and off with its 2 fast-release buckles and magic tape, two heavy duty D rings can attach leash when you take a walk. Super easy to use Please feel free to contact us if you have any question. .