Made in Japan, both materials and processing are reliable. Laminate Bags Size: Width 120mm Height (below zipper): 140mm Height (above zipper): 40mm Bottom Gusset: 25mm (The corner of the gusset is not slanted) ⭕️ You can check the size in the 5th photo. 50 bags per pack x 1 Excellent for sealing, suitable for leftover snacks, sorting snacks, etc. ⭕️ Photos 2, 3, and 4 are usage examples (Photos 2, 3, and 4 are not the product size). Laminated, so it's sturdy and comes with a zipper.