This is a floppy-eared hat for ferrets (white). The length can be adjusted with the string under the neck. Neck circumference: Approximately 11-20cm Face circumference: Approximately 11-20cm The model is a 950g female. Please purchase only if you understand that this is handmade by an amateur. Instant purchase OK!! #nona's knitting ferret pet small animal hat clothes headwear costume collar necklace ferret goods