Our HiHCBF Cartoon Mouse costume for boys is perfect for celebrating their first birthday. Featuring a 4-piece set including bloomsers with an elastic waist and suspenders, this outfit is both comfortable and stylish. Perfect for cake smash photo shoots or birthday parties, this outfit adds a touch of fun and cuteness to any event.
  This vibrant and playful first birthday costume for boys is designed to be not only stylish but also functional. The cartoon mouse headband, adjustable suspenders, and pull-over onesie ensure your little guy stays covered and comfortable throughout the party. Perfect for multiple occasions, including trick or treating, carnival, or holiday events.