Size Guidance: S corresponds to a Neck Girth between 28 - 35 cm and a Chest Girth between 46 - 51 cm.To pick up a well-fitting walking vest for your cat, please measure their girths and choose a best size referring to the size chart before purchase. The head circumference of your cat should be at least 30 cm or they may slip outAll-around Comfort: Soft and lightweight mesh (approx. 100g) are designed to comfortably mold against your cat's body while ensuring breathability to keep them cool during exploration. Skin-friendly edges around leg and neck holes keep your pet away from friction damage. This ultra snug cat harnand lead set is ideal for daily walking, jogging, training and any outdoor recreationsEffortlessly Wear & Adjust: This easy-wearing and escape-proof kitten harnis simple to put on and take off with 2 snap side buckles. An easy and perfect fitting benefits from its 4 adjustable points. Highly adaptable and ergonomic design makes easier for your to safely explore without movement restriction, fansy-freely playing in the great natureBeauty with Strength: Available in multiple brilliant colors, the real beauty of this cat harnand leash set lies in its strength. High performance metal clip and dual stitching withstand cat lead tugging and daily use. This durable kitten harnfor set is versatile enough to be trending outfits of your sweet kittieAlways be Safe: Kitten harnesses with leash are equipped with reflective strips, so even nighttime adventures can be safe and fun! Stop worrying about your beloved being invisible at dark. Pet vest-style harnesses can evenly distribute 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