These collars are small and lightweight, perfect for kittens who find commercially available ones too big ╰(*´︶`*)╯ They are a scrunchie type, making them easy to put on and take off! The bells are also small to minimize stress on kittens wearing a collar for the first time ♥ You can also request an even smaller bell; please feel free to ask. ★☆Size adjustment is now possible☆★ These collars have an opening at the back to access the elastic. The elastic is left long and temporarily secured, so please adjust it to fit your kitten! Bubble wrap packaging: +150 yen Yu-packet Post Mini shipping: +200 yen Nekopos shipping: +250 yen Please let me know before purchasing if you would like these options✩.*˚ The age guidelines for cats at the time of purchase are: 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 these as guidelines only. The profile is long, so it's not mandatory, but please read it to avoid any problems. By purchasing, you agree to the terms. Search for #岩濱の首輪屋さん (Iwahama's Collar Shop) and filter by "Only selling" to easily find the items currently for sale. * Each item is carefully handmade by an amateur. Please understand this before purchasing. * The color of the actual product may differ slightly from the photos 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 the cat's gender, build, and fur volume/length. It means that it can be used up to around 6 months old, and kitten collars are generally for small cats who don't fit commercial collars. If you are purchasing for a cat that is almost 6 months old, we recommend the crepe cord collar or the adult cat collar. * Delivery by regular mail may take 2-3 days. Please contact us only if the item has not arrived within a week of the shipping notification.