An 8 oz orange Thermos featuring Hanna-Barbera characters. - Brand: Hanna-Barbera - Model Name: Thermos - Size: 8 oz This is a vintage plastic water bottle from the 1970s, sold in the United States, featuring Hanna-Barbera characters. It depicts popular characters such as The Flintstones and Yogi Bear. As it has been stored at home for a long time, we would be happy if you could display it as a collectible.