This Diamond in the Rough Textured Prom Tumbler With Straw looks just like a top-selling tumbler from a popular coffee shop, so it will be a huge hit with your students for Prom. The 24 oz. double-wall black acrylic tumbler features a studded texture that looks like black diamonds and includes a matching black lid and straw. Our stock "Prom" design is featured on the front as shown. This quick-ship black studded tumbler is ready to ship the same day you order when you place your order by 2:00 pm, EST).