Name:Dog Cooling Vest Color: Pink, Blue, Green. Suitable for puppy small dogs, medium dogs and large dogs. Material: Polyester Size: S: Back Length: 24cm, Recommended Back Length Range 20-28cm, Neck: 26cm, Chest: 35cm, Recommend weight for 2-3kg pets, such as Yorkshire and more. M: Back Length: 28cm, Recommended Back Length Range 24-33cm, Neck: 30cm, Chest: 40cm, Recommend weight for 3.5-5kg pets, such as Pomeranian and more. L: Back Length: 33cm, Recommended Back Length Range 29-38cm, Neck: 35cm, Chest: 48cm, Recommend weight for 5-6.5kg pets, such as Tidy and more. XL: Back Length: 38cm, Recommended Back Length Range 33-43cm, Neck: 39cm, Chest: 52cm, Recommend weight for 7-9kg pets, such as French Bulldog, Bichon Frise and more. 2XL: Back Length: 43cm, Recommended Back Length Range 38-47cm, Neck: 43cm, Chest: 57cm, Recommend weight for 9.5-12.5kg pets, such as French Bulldog, Corgi and more. 3XL: Back Length: 48cm, Recommended Back Length Range 43-53cm, Neck: 47cm, Chest: 67cm, Recommend weight for 12.5-15kg pets, such as Corgi, Pug and more. 4XL: Back Length: 50cm, Recommended Back Length Range 45-55cm, Neck: 53cm, Chest: 78cm, Recommend weight for 15-17.5kg pets, such as Border Collie, Bulldog and more. 8XL: Back Length: 55cm, Recommended Back Length Range 50-60cm, Neck: 56cm, Chest: 80cm, Recommend weight for 24-29kg pets, such as Border Collie, Samoyed and more. 9XL: Back Length: 60cm, Recommended Back Length Range 55-65cm, Neck: 60cm, Chest: 88cm, Recommend weight for 29.5-34.5kg pets, such as Labrador Retriever, Golden Retriever and more. 10XL: Back Length: 65cm, Recommended Back Length Range 60-65cm, Neck: 65cm, Chest: 93cm, Recommend weight for 35-40kg pets, such as Alaska and more. 11XL: Back Length: 70cm, Recommended Back Length Range 65-75cm, Neck: 70cm, Chest: 101cm, Recommend weight for 40-45kg pets, such as German Shepherd Dog and more. Package Include: 1*Dog Cooling