X-Small Fits neck 6-10 inches * Bandanas are tied to fit, they can be loosened or tightened as necessary. XS also comes with velcro close option. * Our high quality bandanas are MADE IN THE USA and treated with fray glue along the edges to prevent fraying. * Measure the circumference of the neck, at the top of the shoulders for the best fit as you would for a collar in order to determine correct sizing. * Need a bigger or smaller size? Email us at info@PreciousPawPrints.com.