Patent: US 9,926,105 B2 ; DE 20 2014 101 047 U1 ; ZL 2014 1 0386688.1 BPA Free. User friendly by simply pop-up to open when using and collapses to flat for space saving with Expanded size: 17.6 x 11.2 x 7.2(h) inches and its height just 1.7 inches after folds. Save over 70% space when storage. Capacity: 11.6L / 3.06gallon