Maruai Kohofu B4 Cardboard Envelopes, Business Envelopes, Tape Included, 25 Sheets

These durable and secure cardboard business envelopes are easy to open and convenient. The contents are shipped without folding, and the single zipper in the tongue is easy to open and will not take out any trash. Re-usable for document storage after opening (indexed) Fits B4 sizes Size:400mm*300mm+65mm Product Weight: Approx. 3.9 oz (108 g). Weight: 350 g/m2 Pack of 25 Comes with self-adhesive tape for easy sealing. This product is made of eco-friendly products. These durable and secure cardboard business envelopes are easy to open and convenient Size: 15.7 x 11.8 + 2.6 inches (400 x 300 + 65 mm). Number of sheets: 25 sheets Weight: 12.8 oz (350 g) per square meter; Weight: Approx. 3.5 oz (108 g) Specifications: Tape-type one-touch Country of Origin: Japan