1. Reflective Design, Safe Travel At Night: --- this Pet Chest Strap Is Designed With Reflective Signs And Reflective Stripes To Effectively Avoid Night Light Problems. If Your Pet Is Lost, You Can Find The Lost Pet More Easily, Making It Safer To Travel At Night. Safe And Comfortable Pet Chest Strap breathable Mesh. decompression night Reflection the Appearance Is Exquisite.soft And Comfortable. three-dimensional Overall Structure, Easy To Carry. The Chest Is Connected With Four Webbing Straps, Adapting To The Cat-shaped Design, Balancing The Pet's Stress Area, Not Pressing The Neck, Wearing For A Long Time, And Not Hurting The Pet. 2. Support Rope: --- the Pet Chest Strap Contains 1.2m Matching Drawstring, Breathable Material, Comfortable And Safe Draw Distance, And Good Grip. It Can Withstand Strong Pulling Force, Is Not Easy To Break, The Details Are Exquisite, And The Quality Is Perfect. 3. Polyester Mesh Material, Comfortable And Breathable: --- the Pet Chest Strap Is Made Of Polyester Mesh Fabric, The Fabric Is Soft To The Touch, Will Not Attract Pet Hair, And Will Not Harm Pets' Skin. The Delicate And Comfortable Mesh Holes Do Not Stick To Your Hands And Are Very Breathable. 4. Adjustable Velcro: --- this Product Is Designed With Velcro, Which Can Be Fine-tuned And Has Strong Adhesion. It Easily Adapts To Your Cat's Size And Does Not Fall Off Easily. It Is Safer And Provides Better Protection For Your Pet. 5. Zinc Alloy Mounting Element With Double Insurance. ---brand New High-quality Zinc Alloy Buckle Design, Beautiful Appearance, With Double Insurance D-rings, Sturdy And Durable, Light Buckle, Easy To Put On And Take Off, And Easy To Prepare For Traveling With Pets. Size: XS: Bust: 26cm; Weight: 1~1.5kg S: Bust: 36cm; Weight: 1.5~3kg M: Bust: 40cm; Weight: 3~4kg L: Bust: 46cm; Weight: 4~6kg XL: Bust: 55cm; Weight: 6~10kg