Features: Made of high-quality polyester fiber materials, you can easily adjust the perfect size for your pet with the buckle. The color and stitching of the polyester reflect and stand out, making this one of the most eye-catching dog collars, perfect for night walks, field work, or as a hunting dog collar. Highly reflective threads maintain high visibility at night for safety. And you can easily find your furry pet in the yard at night. This polyester dog collar is a classic yet modern collar, available in 3 colors and 4 sizes so you can find just the right one for your dog. A separate loop on the collar makes it easy to add a dog name tag and leash to the collar. Quick-release buckles, easy to adjust the length and put on/take off. The buckles are curved for your dog's comfort. Specifications: Material: Polyester fiber Neck circumference: Small/Medium/Large/Extra-large Small: 33-39cm/ 12.99-15.35in Medium: 37-42cm/ 14.56-16.53in Large: 41-47cm/ 16.14-18.50in Extra-large: 47-54cm/ 18.50-21.25in Type: S-G20, S-G25, S-B20, S-B25, S-O20, S-O25, M-G20, M-G25, M-B20, M-B25, M-O20, M-O25, L-G20, L-G25, L-B20, L-B25, L-O20, L-O25, XL-G20, XL-G25, XL-B20, XL-B25, XL-O20, XL-O25 Note: 1. Please allow 1-2 cm error due to manual measurement, please make sure you do not mind before ordering. 2. Due to differences between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 pc reflective dog collar