The regular cans have the same size top and bottom so they dont nicely nest on top of one another. The wide mouth jars stack safely on top of each other.
Stacking is simply essential in a small pantry.
Mason jar regular vs wide mouth. They usually come in larger volume sizes and are more popular which means there are better accessory and lid options. This means that any regular mouth lid will fit on any regular mouth mason jar and any wide mouth lid will fit on any wide mouth mason jar. For instance if you like regular mouth jars and you have kiddos you can give them their milk in a regular mouth 8 oz.
If youre buying new mason jars and arent sure which size to get we highly recommend wide mouth mason jars. Masontops makes products in both regular and wide mouth sizes but we have some productslike the complete fermentation kit coffee caps and tough tops available for wide mouth mason jars only. Jar with a straw lid at breakfast.
They usually come in larger volume sizes and are more popular which means there are better accessory and lid options. To me this saves space and pushes me away from regular mouth jars.