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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended
Aug. 31, 2019
Aug. 31, 2018
May 31, 2019
Accounting Policies [Abstract]      
Net loss $ 100,609 $ 93,304  
Net cash used in operations 6,130 86,634  
Accumulated deficit 4,738,751   $ 4,638,142
Prepaid expenses and other current assets 10,540   $ 2,993
Shipping costs $ 10,292 $ 9,203  
Potentially dilutive securities outstanding, shares