Freezer safe and can withstand temperatures up to 240°F Stack n nest tote can hold up to 100 lbs Injection modeled from durable, food-safe and USDA high impact polypropylene This stack n nest tote is freezer safe and can withstand temperatures up to 240°F. Injection modeled from durable, food-safe high impact polypropylene. Stack n nest tote can hold up to 100 lbs of product. Built in handle grips and bottom grooves for easy handling. The stack n nest tote will nest when empty or multiple ones can be turned 90° to cross stack.