This is a ferret collar (small ribbon). It's a slip-on type, and the ribbon is not removable. Neck size: Approximately 16cm Please purchase only if you understand that this is handmade. Large ribbon collars are also available. Please take a look if you'd like. Instant purchase OK! #nona's knitting Ferret Pet Small animal Clothes Collar Necklace Ribbon Knitting Handmade Ferret goods