Have you ever tried breading your cat and it does not work? Well here is the simple solution! DURABLE -Machine sewn ECO-FRIENDLY - Fabric made in the USA from 100% recycled plastic - As with all of our items, this costume is packaged with: *100% recycled paper *100% recycled and compostable envelopes *No plastic SIZE The dimension of the hole for your cat's head: Diameter: 3 inches Approximate circumference: 9.5 inches. This costume is made to fix most cat sizes! No sizing is necessary!