1. Material: polyester + alloy 2. Lightweight and soft webbing, double-layer stitching, comfortable and practical 3. Hugging type encircling, adjustable elasticity, suitable for different sizes of cats 4. Antioxidant locking buckle, easy to operate, strong and durable, safe and not easy to come off the buckle 5. 120cm length traction rope, both safety and freedom, to meet the cats activities required range 6. Recommended use: s size for cats 1.25-4kg, m size for cats 3-8.5kg 7. Weight: s size is about 65g, m size is about 110g 8. Size: s size chest circumference of about 32-46cm, m size chest circumference of about 36-52cm, the length of the leash is about 120cm