100 % pure donkey/cow hides. no horse hides, mule hides or hides from other animals- no defective hides with mildew, shedding, rot, worm eating, fattiness or other objections.- no foal hides and hides fragment (head, leg and other remnants).- no visible rosette-shaped fragmentation.- quality standard salt
- arsenic: < 1 / 1, 000, 000hg: < 1 / 10, 000, 000plumbum: < 2 / 1, 000, 000cadmium: < 1 / 10, 000, 000cuprum: < 7 / 1, 000, 000chromium: < 1 / 1, 000, 000nitrite: < 20 / 1, 000, 000