Printed t-shirts can be used for a variety of purposes, including:

1. Promotional materials: Companies and organizations often use printed t-shirts as promotional materials to advertise their brand or message. T-shirts can be distributed at events or given as gifts to customers and employees.
2. Fundraisers: Printed t-shirts can be sold as a fundraising tool for schools, clubs, and other organizations.
3. Uniforms: Many businesses use printed t-shirts as uniforms for their employees. This helps to create a cohesive and professional appearance for the company.
4. Fashion: Printed t-shirts are also popular as a fashion item. They can be used to express personal style or show support for a cause or group.
5. Gifts: T-shirts with personalized designs or messages make great gifts for friends and family.
6. Events: Printed t-shirts can be used to identify attendees at events such as concerts, festivals, and conferences. They can also be used as souvenirs to commemorate the event.
7. Team sports: Printed t-shirts are often used as team jerseys in sports such as basketball, soccer, and baseball. They can also be worn by fans to show support for their favorite team.