The classification based on variety is the primary factor in purchasing and buying of fresh durian in the inter-regional trade and regional trade. Class A are within 1.5 to 4 kg and follows the expected shape of the variety either oval or ovoid. Varieties with high market demand are the Puyat, Duyaya and COB varieties which are considered as class A. Class B follows the same size but are slightly deformed. Class B durian includes the varieties of Arancillo, D101, GD69 and Chanee.
The country of import may require special documents for a variety of reasons. Business Registration, Updated Business Permit, and any FDA cert, Bill of Lading, Commercial Invoice, Consular Invoice, Certificate of Conformity or Origin, Shipping Bill, Inspection Certification - Product labeling and packaging, Export Cert, Export Packing List and Insurance Cert.