ISPM 15 is a standard developed by the International Plant Protection Convention to prevent and eradicate the spread of pests transmitted by wood between countries. The standard dictates how to handle wood materials thicker than 6 mm used for shipping products. The standard seeks to prevent the spread of diseases and insects between different countries, which could harm plants and ecological systems.

The standard defines how to treat wood used in building dunnage products—pallets, crates, and supports—used in international transport, requiring heat treatment and disinfection to eradicate pests. The standard also defines how the manufacturer must mark these treated products