Rainbow Watercolor Birthday Cake Colorful Paint 壁紙

This playful watercolor pattern features vibrant rainbow birthday cakes surrounded by colorful paint splatters on transparent background. Perfect for birthday celebrations, kids’ parties, and festive occasions, this cheerful design adds a fun, whimsical touch to gifts, invitations, wrapping paper, and party decor. The bright colors and hand-painted style make it ideal for anyone who loves joyful, artistic birthday themes and eye-catching celebration artwork.