Traditionally sealing envelopes has always been done while licking them. This type of sealing method has a few drawbacks. One of such drawbacks is that some people can find the taste of the glue that is present in these envelopes very unpleasant. There are other downsides to these types of envelopes such as they can make your tongue very dry and they are also very time-consuming, especially when you have a number of them to seal. Alternatively, you can choose to order the self-sealing envelopes, follow the same process as you do to order business checks online