LunchBots Uno Stainless Steel Food Containers are great for packing a sandwich, sushi, burrito, or your other favorite meals to go. Made of the highest quality 18/8 stainless steel, LunchBots Uno food containers are durable and free of plastic and BPA. Their retro look makes food fun and appetizing, encouraging even finicky eaters to finish lunch. Keeping your Uno looking great is easy. Handwash the blue lid and place the base in the dishwasher.