COLDFEST PANS ARE AN EASY AND CONVENIENT WAY TO KEEP YOUR FOOD COLD - 41° OR BELOW - WITHOUT USING ICE. FREEZE YOUR PANS OVERNIGHT OR FOR AT LEAST 8 HOURS, THEN LOAD THEM UP WITH PRE-CHILLED PRODUCT. THE PANS ARE STACKABLE, SO THEY'LL SAVE SPACE DURING STORAGE AND TRANSPORT. NSF LISTED, SO YOU CAN USE THEM FOR DIRECT FOOD CONTACT AND YOUR SALAD WON'T WILT. COVERS FOR ALL PANS ARE AVAILABLE, BUT SOLD SEPARATELY. GREAT FOR CATERER'S AND OUTDOORS OR OFF-PREMISE EVENTS!