Shoe covers are used for covering the footwear in going inside a room and prevent that place to get dirty because of it. This is used due to the shoes having mud, dirt and other things that attaches and accumulates then on the soles. Using them rather than removing the sneakers is done in order to avoid them from becoming lost or interchanged.
These covers are made usually from plastic or other materials that can be used only once and would be thrown after which makes it not friendly to the environment. This is why more people prefer buying reusable shoe cover specially if they ever need them multiple times. Doing this helps the environment since lesser waste is being contributed by you compared when disposable ones are used.
Some might argue that removing the shows will be better since there would be no need of buying a cover instead. But an argument like this is not applicable for all scenarios, specially on places which do not have a safe storage space for shoes. Leaving the footwear lying around with no proper way of storing them is dangerous to get stolen.
There is a possibility also that someone else exactly have the same shoes as you do or the designs are very similar which is confusing. One of you may end up wearing a different par and will only notice this later after some moments have passed. This is not good since it is possible for the other person to have a problematic foot.
This means their feet could have some bacteria or fungi which causes them to smell badly and is another reason removing the shoes is prohibited. Their smell can be due to the sweat that has accumulated inside after a long day of wearing them in hot weather. This usually results to anyone in the area smelling them and could embarrass the culprit.
If ever you decided that you like to buy these products then you should find some stores which are selling these in your city. You could use the internet that has several search engines though do not forget to include the specific location of your house. This will let the results to be filtered and show only those operating near you.
Online shops are also there which sells the items and you could buy from them while you stay inside comfortably at home. Just be sure though that your place is included in the places that they will deliver since other areas are not. And you must know first what size fits your shoes before your orders are placed.
Your associates, relatives and friends might have some ideas about the stores or brands considered to be the best for these products. Ask some recommendations from them and they can tell you what they know to make your decision easier. Their personal experience with this is very helpful for you.
Inquire the price for the items and compare these with other shops. Check how much is the delivery fee of each online stores. You may also read reviews first to back up your decision.