Piibu are a relatively new sheet mask subscription box, currently available in the US. As the website states “you will receive 8-10 korean skincare face masks in each box. The masks range from sheet masks, wash off masks, hand masks, feet masks, and eye masks.” They very kindly sent me their September box free of charge for review, and I was happy to give an honest review in exchange! (See my Disclaimer tab for more collaboration information- all opinions expressed here are my own)