Unisex Adult Camping Hiking Cooking Utensil Beige hard material from the brand SEA TO SUMMIT Kitchen utensil X-Mug Sand SEA TO SUMMIT sports products are designed to let you enjoy your favorite sport without worrying about anything but performing at your best Hard material made from premium materials to suit any sports activity. Keep your fingers cool and your drink securely in your grasp with this collapsible X-Mug. Double the size of the X-Cup, the X-Mug can hold plenty to drink (480ml). The rigid ring within the rim keeps it sturdy and easy to drink out of but still allows the cup to be collapsed into a flat disk that will fit almost anywhere. Unbreakable, folds flat for compact packing. Folds flat to a 15mm thick disc. Heat resistant, BPA-free, food-grade silicone. Calibrated as a measuring cup. Nests with other X-Series products. Volume 480ml.