These pallets and boxes are long-lasting, stackable and can easily be made hygienic. Some are made from recycled PET drinks bottles. There are heavy-duty versions for racking use, and lightweight ones that are ideal for airfreight. APME administers a European plastic pallet re-use scheme.
The disadvantage is the cost, up to 10 times the price of wooden pallets. They are also fire hazards, being easily to catch light and emitting dangerous toxins.