137 a mysterious number in physics.

137 this mysterious number is all about travel and the universe. You can get into great conversation about God the universe and more. See the site and look for the topic 137. • Made with stainless steel • Lead and BPA-free materials used • Hand-wash only • Blank product sourced from China 25 oz (739 ml) size: • Height: 7.9″ (20 cm) • Upper diameter: 3.3″ (8.4 cm) • Bottom diameter: 2.7″ (7 cm) • Comes with a plastic press-in lid 40 oz (1183 ml) size: • Height: 10.4″ (26.5 cm) • Upper diameter: 3.9″ (9.9 cm) • Bottom diameter: 2.9″ (7.4 cm) • Comes with a plastic straw and screw-on lid Caution! To prevent steam pressure buildup, always open the lid before placing it on a hot drink.