A4 Cardboard Boxes Perfect for Nekopos Shipping! Compatible with 3cm Thickness! Set of 10 These versatile cardboard boxes can be used as packing materials for Nekopos, Yu-packet, and Click Post, which are mainly used for flea market shipping. They are well-made and not cheap and poorly made! They are within the standard size for non-standard mail. Type: Yakko style (envelope style) Size: Inner dimensions - Length 30.8cm x Width 22.3cm x Thickness 2.6cm Outer dimensions - Length 31cm x Width 22.5cm x Thickness 2.9cm Thickness - 1.1mm Total of the three outer dimensions - 56 cm Color: Brown * They will be folded and shipped in a宅配ビニール袋 (delivery vinyl bag). * Please note that the shorter side will be folded in the opposite direction. * This is a Yakko style (envelope style) shape that wraps the contents from all four sides. * They are easy to work with due to tape closure, and are the cheapest among mail case, so they are recommended for those who want to save costs. * Please understand that there may be dents during delivery due to the paper product, and only purchase if you can accept this. * The photos are only samples, so the color and shape of the actual product may differ slightly from the photos, please understand. * Please inquire before purchasing for combined shipping. Combined shipping will not be done after purchase.