Material: nylon rope, Size: 33 * 1cm, Adjustable collar: length 19 * 32 cm, 1 cm wide, Designed for most puppies and small pets, this reflective collar enhances visibility in low light and features a bell shape (note: airtag not included). Locate your pet easily: the reflective collar is compatible with an airtag. Use the find my app on iPhone to track your pet. The elastic airtag case securely holds the airtag, preventing it from falling off. Latest upgrade: This collar features a safer breakaway buckle that releases under stress, preventing potential injuries if your cat gets caught. Optimal design: Equipped with three reflective strips, this collar makes it easier to spot your cat at night. It enhances your pet's safety after dark. Additionally, the collar comes with a bell that can be removed if preferred. Lightweight and comfortable: Made from well-stitched nylon, it is soft, breathable, and gentle on your cat's skin, ensuring comfort for all-day wear.