We Use bigger GSM paperboard inside our water cartons to make sure security and freshness. We offer the freedom to pick differing types of water which can be packaged in versatile sizing solutions. Hi! Thank you to your concern! We are able to undoubtedly send out you sample products so https://www.slideserve.com/Kim124/natural-alkaline-water-kevala-niru-s-pure-and-sustainable-promise