This is the "Twinkle Lead," a harness and leash set for extra-small and small dogs from Hotta. Brand: Hotta Product Name: Twinkle Lead Suitable Dog Breeds: Extra-small and small dogs (suitable for Chihuahuas, etc.) Features: Reflective function that shines when illuminated by car lights, etc. Function: Harness type, unlike collars, reduces stress on the neck. Leash with harness for extra-small dogs Neck circumference: 28-39cm, Chest circumference: 33-47cm, Weight up to 5kg Thank you for viewing. To reduce bulk, the lead will be shipped untied. Please understand.