Drink up, the Sea to Summit X Mug handles hot liquids and folds into your palm once you're done. . Food grade silicone makes up the flexible sides. Nylon ring at the top maintain the shape and prevents scalded fingertips. Folds flat for compact packing. Nestles into the X bowl and the X plate. Large capacity holds 16 fl. oz. (2 cups). 9327868042784 26943800051 104