The best way to clean white canvas shoes, in terms of both effectiveness and gentleness, is with items you probably have in your pantry right now.
How to Clean Shoes, Including Canvas, Leather, Suede, and More
How to Clean White Shoes: Canvas, Leather, Suede, and More
How to Clean Canvas Shoes
How to Clean Canvas Shoes » How To Clean Stuff.net
How To Clean Canvas Shoes
3 Ways to Clean Canvas - wikiHow
Tips on How to Clean Canvas Shoes - Mr Guru – Canberra's Cleaning Experts
How to Clean Canvas Shoes
How To Clean Canvas Shoes