It won't break. The glass of the jewelry counter is bulletproof glass. The glass brick of the jewelry counter won't break. Bulletproof glass is a composite material made of glass or plexiglass and high-quality engineering plastics through special processing. It is usually a transparent material and usually includes polycarbonate fiber layers sandwiched between ordinary glass layers. Bullet-proof glass is used in military equipment and advanced transportation equipment because of its high mechanical impact resistance.