refrigerator fresh ball / safe and effective addition to smell / fresh fruits and vegetables

refrigerator fresh ball  / safe and effective addition to smell / fresh fruits and vegetables
Vegetables, fruits, long-term preservation
 Preservation of the ball will be placed in a refrigerator drawer, the preservation of the natural ore containing the ball, can lead to absorption of vegetables, fruits corruption n gas, extend the time for fresh fruits and vegetables and reduce the waste caused by food spoilage. Once every 60 days to replace a long period of time to keep fresh green vegetables.
  Material: plastic casing, natural ore
  Size: each - diameter 5CM