Sustainable materials in digital design refers to the conscientious selection and utilization of resources, tools, and methods that minimize environmental impact. As the digital realm increasingly shapes our world, designers are being called upon to consider not only aesthetics and functionality, but also the sustainability of their design choices. This approach integrates eco-friendly practices throughout the project lifecycle, from ideation and prototyping to implementation and maintenance. The movement toward sustainable materials in digital design is driven by ethical considerations, regulatory requirements, consumer demand, and the urgent need to reduce the carbon footprint of our digital infrastructure. Understanding the principles and practices of sustainability empowers designers to create digital products that are innovative, responsible, and resilient to the evolving expectations of society.