packaging packaging paper office school a6 plain mouth white envelope 50 pack per piece

6 plain mouth white envelope (120g) 50 envelopes in 25 bundles * 2 in 250g white box (with foreign trade adhesive), packaged in e corrugated paper box, 34 packed in one box (with custom adhesive) in people's daily lives, envelopes are an information bag device used for mailing letters and preserving their contents. they are generally made into rectangular paper bags. envelopes can be used to send good wishes to customers on their birthdays and holidays, which is also a good way for customers to increase their stickiness to the enterprise. enterprise envelope printing, as a promotional method for the enterprise,.syi