Alfie Pet by Petoga Couture - Qeno Duck Hat Party Costume (for Small Dogs & Cats) - Color: Yellow Please note that this listing is for medium size: 13 inches Neck Girth. We recommend one size up for comfort if your dog's measurement is the higher end of the range listed The Qeno Hat costume will certainly draw some smiles! Velcro closure allows slight adjustment of size. Easy to put on and comfortable to your little baby One of our favorite picks for the season Perfect for every day walk and weekend party