The robbery occurred at 7:42 p.m. Friday at the TD Bank on Marsh Road.
Police say two females wearing Muslim head scarves approached the teller and handed over a note demanding money.
The suspects obtained an undisclosed amount of money and fled the business.
The first suspect is described as 25-35 years of age, 5'07", medium build, brown eyes, wearing Muslim Head scarf, dark jacket, white shirt dark dress pants and high heels.
The second suspect is described as having a medium build, wearing Muslim Head scarf, dark top, light colored shirt, dark dress pants and shoes
Both suspects are African-American.
The first suspect is pictured above.
Delaware State Police is asking citizens who may have witness information to contact Troop 2 Detectives. Callers may remain anonymous. Tips may also be forwarded to law enforcement through tip lines maintained by Delaware Crime Stoppers at 1-800-TIP-3333 or on line at www.tipsubmit.com.