For more general information on cookies see the Wikipedia article on HTTP Cookies.
You can prevent the setting of cookies by adjusting the settings on your browser (see your browser Help for how to do this). Be aware that disabling cookies will affect the functionality of this and many other websites that you visit. Disabling cookies will usually result in also disabling certain functionality and features of the this site. Therefore it is recommended that you do not disable cookies.
Forms related cookies
When you submit data to through a form such as those found on contact pages or comment forms cookies may be set to remember your user details for future correspondence.
This site uses Google Analytics which is one of the most widespread and trusted analytics solution on the web for helping us to understand how you use the site and ways that we can improve your experience. These cookies may track things such as how long you spend on the site and the pages that you visit so we can continue to produce engaging content.
For more information on Google Analytics cookies, see the official Google Analytics page.
As we sell products it's important for us to understand statistics about how many of the visitors to our site actually make a purchase and as such this is the kind of data that these cookies will track. This is important to you as it means that we can accurately make business predictions that allow us to monitor our advertising and product costs to ensure the best possible price.
Hopefully that has clarified things for you and as was previously mentioned if there is something that you aren't sure whether you need or not it's usually safer to leave cookies enabled in case it does interact with one of the features you use on our site.