Men's 100% Silk Navy Blue Stem Cells Medical Doctor Necktie Tie Neckwear The mission of every Infectious Awareables tie is to generate interest, discussion, even excitement about serious public health issues Dimensions: 3.75'' x 58.0'' Made of 100% Silk Actually, they resemble a bunch of grapes looking for a real stem! Stem Cells have the potential to play a key role in cure or treatment of a wide range of diseases and conditions