Envelope Wallets & Card Holders BlackMarni's "Envelope" wallet represents a meeting of elegance and functionality, intended for a female clientele that appreciates distinctive details. With an essential and refined design, this wallet is perfect for those seeking an accessory capable of combining practicality and style in a single object. The influence of Marni's iconic lines is evident, making each use a unique experience that underscores the quality craftsmanship of the product.