TROMFY is a Swedish brand specializing in decorative stickers that personalize bank and credit cards. Its collection features more than 460 designs across themes such as animals, cartoons, sport, films and television, music, humor, and popular culture. Customers can also create a custom design using their own image, making the stickers a personal accessory or a playful gift.

Designed to fit payment cards, TROMFY stickers are described as compatible with chip payments, contactless transactions, and ATMs. The brand says its products are made and shipped from Sweden, with fast delivery and free shipping when purchasing two or more stickers. The site offers new releases, bestsellers, and a range of styles, including holographic and novelty designs. Customer reviews highlight the stickers’ fit, print quality, ease of application, and the reactions they inspire when used to pay. TROMFY reports a 4.98 out of 5 customer rating and more than 100,000 satisfied customers, and provides customer support on weekdays.