This is an air cushion envelope, CD size. Perfect for shipping CDs, game software, and handmade items! Compatible with Mercari shipping. Can be sent via regular mail with stamps, starting from 140 yen. ◆ Unused, new Outer dimensions: 19cm (height) x 20.6cm (width) + 5cm adhesive flap (see reference image 1) Weight per envelope: 12g ◆ Size guide CD size, highly versatile. Also fits Nintendo Switch software, PS3/PS4/PS5 software, etc. #AirCushionEnvelope #BubbleWrapEnvelope #Packaging #Wrapping #UnwantedItems #Music #CD #MV #SmallAccessories #BubbleWrapPackagingMaterial #AirCap #StampsRequired #PointRedemption #BubbleWrapEnvelope