thank you all for the answers but let me clarify my question. I do product reviews and a company sent me a product without me asking for the product and nor did not ask me to do a review. They just sent it and said see if you like my product. I don't have to do a review but......... just in case I do want to do a review, either if its good or bad, do I have to say it was sponsored? I know this sounds crazy but there are days I go and check my mail and there are like 5-6 products from different companies addressed to me. Most (I mean 75% of them) don't ask for anything and have notes that say, "check out this product we sent you".
Some of the products I like and some I don't but I keep them all. They are not asking for anything in return and just sending things so I am confused how that's sponsored. Apologies for my lack of but, just want to make sure I am not violating any rules.