International Museum of Surgical Science
a division of the International College of Surgeons
Here's a roll of Anatomical Heart Washi Tape in blood red and sanguine.
This decorative paper masking tape is perfect for livening up your everyday creations. Decorate your bullet journal or notebook, or use it to wrap packages! Each roll is 15 mm (.6") wide by 10 m (32'9") long, so you'll have plenty for all your projects.