The dress is back: Are these flip flops black and blue? Express.co.uk Let's settle this once and for all which color is it? Types of Wound Dressings explained Choosing the right dressing depends on wound type, exudate level, and infection status. From simple gauze to advanced antimicrobial and alginate dressingseach plays a key role Our zoo has the famous black and blue or white and gold dress. Which do y'all think it is now?