These wholesale sublimation blank MDF coasters are made from durable medium-density fiberboard with a smooth sublimation surface. Designed for high-quality heat press printing, they allow vivid colors and clear image transfer. Ideal for customized drink coasters, promotional gifts, and home décor, they offer both functionality and personalization. Suitable for restaurants, cafés, gift shops, and wholesale buyers, these MDF coaster blanks support bulk and custom orders.