The chest strap is made of cotton blend, and it is safe and non-toxic. It can prevent your dog getting lost on the street and keep your dog safe. The chest strap can be used repeatedly and durable for long time use. Features: Made of cotton blend, safe and non-toxic, odorless and healthy. It can prevent your dog getting lost on the street, keep your dog safe. Designed with the flower print, it looks fashionable and beautiful. Reusable and durable: can be used repeatedly and durable for long time use. Designed with the hook & loop, easy to put on and take off. Specifications: Condition: 100% Brand New Material: Cotton Blend Color: Red, Blue(Optional) Size: S, M, L, XL(Optional) Weight: approx. 104~141g/ 3.66~ 4.97oz Suitable Pet Types: cats, small dogs and puppies. Size Rope Length Bust Circumference Suitable Weight S 120cm/ 47.24in 24-36cm/ 9.45-14.17in 1.5-3kg M 120cm/ 47.24in 36-40cm/ 14.17-15.75in 3-5kg L 120cm/ 47.24in 40-44cm/ 15.75-17.32in 5-7.5kg XL 120cm/ 47.24in 44-48cm/ 17.32-18.90in 7.5-10kg Package List: 1* Chest Strap 1* Pulling Rope Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .