M1 ecological kraft courier cartion box made of hard carton and automatic assembling It has a practical safty tape for closing and opening it It can be used both as a correspondence envelope and courier carton box It can be assembled in three different ways being thus adjusted to the product to be packaged High quality and highly relisient to outdoor conditions, fall and any other difficult situation. 100% recycled and recyclable material. its ismall size makes it ideal for quick and safe shipment and a great choice for e-shops.