A147 Bell 8mm Inner circumference: Approximately 15-28cm Please adjust to fit your cat. When worn, the appropriate size is roughly 1-2 fingers for kittens and 2 fingers for adult cats. For safety, please check and adjust regularly. ※ Discount: 50 yen off for each additional item (1 set) ※ Each item is carefully handmade, so there may be slight variations in stitching and balance. ※ For your cat's safety, please use the collar within your family's supervision. If your cat dislikes it, please stop using it immediately. ※ We do not accept returns or refunds except for defects on our part. ※ To keep prices down, we ship via regular mail. We cannot track the item, and we are not responsible for loss, damage, or soiling. Please understand this before making a purchase. ※ Shipped via Yu-packet Post Mini. Can be changed to Rakuraku Mercari delivery for an additional 100 yen. If you have any questions, please feel free to ask. #ramu collar #ramu collar chouchou