Lightweight and breathable, year-round comfort: Made of ultra-thin air mesh material, it is soft and skin-friendly, with sponge protection on the edges to prevent friction injuries. Non-stick lining + breathable design, no sweat in hot weather, keeps warm without irritation in cold weather, suitable for year-round use, protecting the cat's delicate skin. Safety upgrade, free activities: Thanks to the highly reflective strips, you are clearly visible at night and increase safety in dark environments. The reinforced D-ring and spine force design distribute the pulling pressure, preventing concentrated pulling on the neck, protecting the spine and allowing cats to run and jump more freely. Flexible adjustment, easy to put on and take off: 4 adjustable buckles + 2 quick buckles, the neck strap and chest strap can be continuously adjusted according to the body shape of growing cats. Comfort standard: One finger should easily fit in the shoe after use, so that it is not too tight. Anti-escape design, worry-free outdoor life: 360° full containment, adapts to the cat's body shape and is equipped with a thickened anti-break traction rope and lock to effectively prevent escape. Applicable in multiple scenarios: Whether you are walking, traveling, exercising or exploring outdoors, your cat can safely enjoy a fresh environment, and your owner can worry less! Specification: Material: Breathable polyester mesh Size: XS: Neck 13.5~23.5cm, Chest 21~33cm Size S: Neck circumference 19~29cm, Chest circumference 24~45cm Weight: 100g Traction rope: 150cm