Geometry Class Bow tie / Math Equations & Colorful Shapes / High School / Self-tie & Pre-tied Bow tie

Celebrate pi day in style!This cotton fabric features lots of geometric shapes, symbols, formulas and more on a black chalkboard background.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!