Thank you very much! Yu-Packet Post Mini - Ships anonymously with waterproof protection without bending the envelope. Envelope Size Specifications: Outer dimensions: Length 21.6cm x Width 17.8cm Inner dimensions: Length 21.1cm x Width 16.8cm Excluding the envelope flap. Weight: Under 2kg We will carefully package and ship the item, but we cannot provide compensation for accidents that occur during shipping. Please understand this beforehand. If you have any questions, please ask in advance. ＿＿＿ Yu-Packet Yu-Packet Post Yu-Packet Post Mini Yu-Packet Post Mini Post Envelope Dedicated Envelope No product description available.