Thank you for viewing! This is size M, which fits a neck size of 20cm-22cm! It's a scrunchie type. ☆Size Guide☆ S size: 18cm-20cm M size: 20cm-22cm L size: 22cm-24cm These are original sizes. Please specify your desired size on each product page or in the comments section, and then proceed with your purchase after confirmation! You can order two different sizes, so if you want different sizes, please comment first, and then proceed with your purchase after receiving a reply from us! Please confirm the size before purchasing! We offer a 50 yen discount on the second item onwards☆ This item cannot be customized with different parts or rearranged. Charms and bells will be removed! We will create a dedicated page for you, so please comment! Handmade collars for dogs and cats ◡̈* It's a scrunchie type☆ It contains elastic, so it stretches a little! It's a one-of-a-kind collar for your dog or cat!! We make them with the thought of providing the perfect fit! Most items are one-of-a-kind! Please note that they will be discontinued once they are sold out. As these are handmade items, they may fray or have parts come off with continued use, and are therefore inferior to mass-produced products. Please use them indoors! It uses snap buttons instead of safety buckles. We are not responsible for any injuries or accidental ingestion, so please be aware of this. Thank you! #handmade #dog #cat #set #scrunchie #cute