It looks like there have been posts previously on SD, but I have never tried/done/heard of this site before.
From a previous post:
Try new products from the world’s leading brands for free
Sign up to PINCHme
Tell us a little about yourself. Each week, we’ll have a fresh, new selection of products for you to choose from.
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Choose the products you like. Add them to your sample box and we’ll deliver it to your door for free.
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Once you’ve received your sample box, taste, test or try your products and tell us what you thought.
PINCHme is based in the USA. We offer free shipping to the 48 contiguous states in America but not to Hawaii, Alaska, Puerto Rico, the U.S. Virgin Islands, Guam, Canada or internationally.