100% natural material hedgehog toilet sand, approximately 3.3kg. Out of 4 bags, 2 have been opened, but 3 bags are unused. (1 bag was accidentally opened) As shown in the second photo, there is one that is about 70% used (348g including packaging). If you only want the 2 unopened bags, please comment. - Brand: SANKO - Product Name: HEDGEHOG Sand - Material: 100% natural material