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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2019
Feb. 28, 2018
May 31, 2018
Accounting Policies [Abstract]          
Net loss $ 3,568 $ 112,910 $ 154,911 $ 340,937  
Net cash used in operations     120,214 439,525  
Accumulated deficit 4,643,078   4,643,078   $ 4,488,167
Prepaid expenses and other current assets     3,505
Advances to major supplier     $ 3,413
Shipping costs $ 11,900 $ 11,516 $ 30,601 $ 27,628  
Potentially dilutive securities outstanding, shares