Twin Stainless Steel Hip Flasks - Two (2) 100 ml Travel Flasks with Black PU Leather Case by plumwood & vine (Black) Perfect for Air Travel: Dual 100 ml design meets TSA Requirements - 2 cases fit in a 1 quart travel bag Attractive PU leather wrapped flask in case makes a great gift for bachelor party, groomsmen, Father's Day and more! Quality Materials: 304 grade (18/8) stainless steel - Durable, easy to clean Polyurethane (PU) Leather 2 is better than 1! Twin design holds your favorite spirits AND mixers. Discreet Design: Slim contoured design fits comfortably in a pocket or use attached loop on your belt for for easy access