POLAR CHEST DRY ICE CONTAINERS INSULATED STORAGE CONTAINERS ARE SPECIFICALLY DESIGNED FOR STORING AND TRANSPORTING DRY ICE. STORAGE CONTAINERS ARE MADE USING A SPECIAL COMPOUND MELT BLEND OF PLASTIC THAT RESIST COLD IMPACT FOR GREATER DURABILITY. MOLDED FROM FOOD-GRADE LINEAR LOW DENSITY POLYETHYLENE WITH 3″ THICKNESS AND DOUBLE WALLED FOAM FILLED CONSTRUCTION FOR INSULATION. IDEAL FOR STORING BLOCKS OF DRY ICE. THE UNIT HAS A RUBBER STRAP THAT HOLDS THE LID IN PLACE. INCLUDES LID AND 2 RIGID, 2 SWIVEL CASTERS.