Lightweight, soft, and gentle finish. Uses a safety buckle. It is designed to come off when a certain amount of force is applied, ensuring safety in the event of an emergency. 〈Material〉 100% Cotton 〈Size〉 Inner circumference: Approximately 15cm to 25cm, adjustable with an adjuster. Width: Approximately 1cm Weight: Approximately 6g Oval gold buckle 〈Notes on Purchase〉 Exclusively for indoor cats. Please use with caution to ensure safety and wear within the owner's sight. Please understand that this is a handmade item and refrain from purchasing if you are seeking perfection. Returns due to differences in size, color, or image are not accepted. We accept the bulk purchase function, but we do not offer discounts. Thank you for your understanding.