CAMPING & TRAMPING, COOKING & UTENSILS, Sea to Summit
The X-Mug is constructed from a flexible, European standard compliant, food grade silicone. A rigid ring within the rim keeps it sturdy and easy to drink out of but still allows the mug to be collapsed to a disk that will fit in the palm of your hand!
-Unbreakable, folds flat for compact packing
-Food grade flexible silicone