Step up your Halloween festivities with these glow-in-the-dark flex party cups, each with a capacity of 16 oz. These cups are designed to add a spooky and fun element to your party, as they glow in the dark. Whether you're hosting a Halloween party or simply want to add a touch of Halloween spirit to your everyday drinks, these cups are sure to impress. Made from high-quality materials, they are durable and long-lasting. The unique pattern on each cup adds an extra flair to your Halloween decor. With three spooky designs, get ready to sip in style.