Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon X Mug by Sea to Summit $13.95 Grey - $13.95 Lime Green - $13.95 Royal Blue - $13.95 Grey Lime Green Royal Blue Color Chevron down icon Availability: translation missing: en.general.icons.icon_check_circle icon Only 2 left! 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Looking for Local Pick-up? Choose a store below. Product Locator by Locally Notify me when back in stock Email address Email me when available The X-Mug is a collapsible mug that is also calibrated as a measuring cup. The flexible silicone sides collapse making this a small compact disc sized dinnerware piece that nests neatly with other X-Series dinnerware and X-Pots.