Check the listing for details. SEAL commercial 210 m DRY MOUNT PRESS. Condition: Used. Listed at 800.00 USD. The Seal commercial 210 M Dry Mount Press is a high-quality printing press designed for professional use in businesses and industrial settings. With a press size of 18.5x23 inches, this press is ideal for heat transfer and specialty printing projects. The Seal brand is known for producing reliable printing equipment, making the 210 M model a popular choice among printing professionals looking to create precise and professional results.