Website is already translated into English with help of Google.
The website called [login to view URL] and the needed proofreading and correction in Spanish is for 65 products + 20 pages (i.e. about us). Correction can be done directly online. You get web access.
Here is a sample product page: [login to view URL]
There isn't a lot of text per page and it's very easy to correct. When you logged in you just have to go on the page you like to translate and press the button "Translate Page". After that you can click on every text which needs to get translated (see attached image).
→ Please estimate the amount of hours to arrange a fix price.