Mardi Gras Feather Half Masks. Let everyone pick their favorite colors! Perfect for any Mardi Gras or Masquerade Ball themed party or event, these masquerade masks are a must-have to wear or pass out to guests. Each Mardi Gras or masquerade mask will create the perfect mysterious disguise at the ball, costume party or parade. Just be sure to order enough masquerade masks for everyone! Each plastic mask has an elastic band. 11"