KISS Retro Flask Celebrate KISS! 5 oz. flask features stylized artwork of KISS. Drink to one of the greatest bands of all time! What better way to celebrate the one and only KISS than to fill your hand with Bif Bang Pow! 's KISS Retro Flask? Drink to one of the greatest bands of all time! This plastic 5 oz. flask with stainless steel interior features black and white artwork of the band against an orange background with decorative art elements all the way around. No KISS fanatic should be without this flask! Ages 14 and up. Hand wash only. Not dishwasher safe. Do not microwave. Thoroughly hand wash before first use. BPA Free. KISS is a hard rock band founded in New York in the early 1970s. Known for their outrageous makeup and costumes, each member of the band adopted their own unique comic book style persona. The KISS lineup features The Demon on bass guitar and vocals, The Starchild on rhythm guitar and vocals, The Catman on drums and, The Spaceman on lead guitar. However, their look isnt the only thing theyre known for.