Chemistry Bow tie / Chemical Equations / School, Science, Math / Self-tie & Pre-tied Bow tie

Great for professors, teachers & students! This cotton fabric features rows of white chalk equations on black. We make Self-tie and Pre-tied bow ties in all sizes. Our Self-tie bow ties are made with 3 layers of cotton fabric for a remarkable and comfortable fit. The Self-tie bow ties are made fixed length with the choice of four neck sizes from Small to Ex-large. Our Pre-tied bow ties have an adjustable neck band to fit all sizes. All handmade in the USA!