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Inventory (Tables)
3 Months Ended
Aug. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventory consisted of the following: 

 

   August 31, 2019  May 31, 2019
    (Unaudited)      
Finished Goods  $74,180   $69,256 
Raw Materials   235,328    195,322 
   $309,508   $264,578