This is a small and lightweight collar for kittens, as commercially available ones may still be too large. ╰(*´︶`*)╯ It's a scrunchie type, making it easy to put on and take off! The bell also uses a small one, minimizing the burden on kittens wearing a collar for the first time ♥ ★☆Size adjustment is now possible☆★ This collar has an opening at the back to take out the elastic. The elastic is left long and temporarily secured, so please adjust it to fit! +150 yen for bubble wrap packaging +200 yen for Yu-packet Post Mini shipping +250 yen for Nekopos shipping Please let me know before purchasing if you would like these options✩.*˚ The age目安 (guideline) for cats at the time of purchase is: Kitten scrunchie collars: approximately 3 weeks to 4 months old Acrylic cord and crepe cord collars: approximately 2 months to 6 months old Adult cat scrunchie collars: approximately 6 months old and up Please consider this as a guideline. The profile is long, so it's not mandatory, but to prevent any trouble, please read it. By purchasing, you are agreeing to the terms. Search for #岩濱の首輪屋さん (Iwahama's Collar Shop) and filter by "Only items on sale" to easily find the items currently available. * Each item is carefully handmade by an amateur. Please understand this before purchasing. * Colors in the photos may differ slightly from the actual product due to amateur photography. Please understand. * We offer a small discount for bulk purchases. Please feel free to ask. * The "up to approximately 6 months old" notation is a guideline. It may vary depending on gender, build, and the amount and length of fur. It means that it can be used up to around 6 months old, and basically, the kitten collars are for small kittens who don't fit commercial collars. If you are purchasing for a kitten who is almost 6 months old, we recommend the crepe cord collar or the adult cat collar. * It will be sent by regular mail, so it may not arrive in 2-3 days. Please contact us only if it hasn't arrived after a week from the shipping notification.