The Center is currently closed to the public for renovations, but we are still hard at work saving animals. Shop online to support our life-saving work! Due to precautions we are taking to keep our team safe and healthy, orders may take slightly longer than usual be processed.

Dark navy cotton facemask with simplified image of a sea lion head and "The Marine Mammal Center" in the middle of the mask.

Navy Blue Sea Lion Face Mask

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This comfy, 100% cotton 2-layer mask is generously sized for maximum coverage. The purchase of this mask supports The Marine Mammal Center as well as local small business CULK, a graphic design and screen printing business located in San Francisco.

We'll cover shipping on masks shipped within the United States!


  • 100% cotton.
  • Flat 2-layer mask, non-adjustable.
  • Non-medical grade.
  • Washable and reusable. Please wash before use.
  • Made and printed in the USA.
  • Available in adult and youth sizes.
    Adult size: 7” x 5.5” (excluding ear loops)
    Youth size: 6” x 4” (excluding ear loops)

For health and safety reasons, this item cannot be returned or exchanged.