"Authentic organic Japanese konjac sponge for babies. A 100% natural, organic plant product derived from the konjac root and handcrafted on the konjac farm. Thanks to its high water retention capacity, konjac has excellent moisturizing and elastic properties. Konjac fibers have been used for infant cleansing for over 120 years, as they are the softest and most neutral of sponges. PH: 8.4 PH other sponges from China or Korea: 9.5 and 6.7 Composition: Konjac mannan, calcium hydroxide Konjac flour from Japanese agriculture, JAS-certified organic. Size: 7.5 cm Origin: Japan