Lightly hand wash in cold water with color safe detergent and then lay flat to dry.
Wash with soap and water.
If the collar is in contact with salt water, then rinse with fresh water.
Our designs and names are applied with vinyl, then heat set for a permanent bond. Some vinyl is more delicate than others and general wear and light fading may occur. Ironing is fine, but please iron on the reverse side or around the design. Ironing directly on the design could damage it.