1)dark red crystalline or crystalline powder. 

2)Vitamin B12, Mecobalamin is needed to keep your blood healthy and is used by the body to make proteins. Most people can easily get all the vitamin B12 they need from food, but some groups of people, such as vegans, have to work harder to get enough vitamin B12 in their diets. Having a diet that is too low in vitamin B12 over time can cause anemia (a condition that occurs when you don't have enough healthy red blood cells) or problems with memory and confusion. 

3)Package: In 100g/500/1000g net aluminum cans. 

Storage & transportation: In aluminum or other suitable containers being filled with nitrogen and sealed. Keep in cool and dark place.