Seko International Standard offers cost-effective shipping for non urgent low value Letters & Packets up to 5 kilograms. This is a hybrid mail service offering transit times of 10-35 Business days depending on location with limited milestone tracking in selected countries*. Delivery signature included. It is an economical option for e-tailers, promising reliable delivery by local postal carriers in the destination country. Seko International Standard is your ideal delivery solution for merchandise such as apparel, electronic accessories and costume jewellery.