Unopened after purchase at a Costco store. I bought two sets of the 3-pack and am currently using the first box. Since it lasts so long, I decided to sell the remaining ones before they deteriorate! It sticks perfectly to stainless steel bowls and plates with uneven surfaces or a smooth texture, which Japanese plastic wrap struggles with, making it very easy to use ^^ ____ 3-in-1 food wrap, leak-proof, and airtight design. - Brand: GLAD - Product Name: Press'n Seal - Size: 140 sq ft (approx. 13 m) - Features: 3-in-1, Leak-proof, Airtight, Multisurface Thank you for looking.