Authentic organic Japanese konjac sponge for babies. 100% natural and organic vegetable product made from konjac root and produced by hand in the konjac farm. Because of its strong ability to retain water, konjac has excellent moisturizing and elastic properties. Konjac fibers have been used for over 120 years to groom infants because they are the softest and most neutral sponge. PH: 8.4 PH other Chinese or Korean sponges: 9.5 and 6.7 Composition: Konjac mannan, Calcium hydroxide Konjac flour from Japanese agriculture that has obtained JAS organic certification Size: 7.5 cm Origin: Japan