The item in question is a drinking vessel, often made of plastic or acrylic, designed with a decorative effect resembling dripping blood. Its association with the Halloween season connects it to themes of horror, costume, and celebration of the macabre. A specific retail outlet, known for its seasonal merchandise, often carries this type of novelty product.
The popularity of such items stems from their ability to contribute to a festive atmosphere and complete a themed costume or party setup. Their accessibility and affordability allow consumers to easily incorporate them into their Halloween celebrations. Historically, the use of simulated blood and gore in Halloween decorations has evolved from subtle suggestions of the supernatural to more overt representations of horror.