Fantasia Mermaid by Anna Sui typically features a blend of fruity and floral notes, creating a whimsical and enchanting aroma. The exact composition might vary, but it often includes elements like juicy fruits, florals, and subtle aquatic accords to evoke a dreamy and ethereal essence.

The 15ml miniature size allows for portability and ease of carrying in purses or pockets, perfect for on-the-go application or for those who enjoy sampling different scents without committing to a larger bottle. For the most updated information on available sizes and formulations, it's recommended to check Anna Sui's official website or authorized fragrance retailers.