The Sleep Dart is a small, syringe-like projectile with a sleek, metallic body and a bright, glowing tip that emits a soft blue light. Its design is streamlined for quick deployment, featuring a subtle aerodynamic shape with minimal surface detailing to reduce air resistance. The dart's body is primarily silver with a matte finish, while the tip has a translucent, slightly iridescent quality that suggests it contains a potent sedative.