☆Craft Brown Envelope☆ Size: 240mm x 332mm A4 size Paper thickness: 70g/m Square Type 3 and Square Type A4 envelopes are also available♪ To prevent folding during shipping, the flap will be pre-folded and shipped in an OPP bag +宅配ビニール (delivery vinyl bag) ✨ (See image 2) To offer these at a low price, there is no reinforcement. Please understand this before purchasing m(_ _)m