All you need to do is get something that has the sticker(s) that you don't want anymore
Peel the sticker off of the product and you will see the sticker residue if there is any
Grab your eraser and start erasing!
Keep erasing until all the sticker residue is off. you might have to repeat it a couple of times
Wipe off the used eraser nd you're done!
- Product with sticker attached