Product Description Pack of 3 Polystyrene Insulated Shipping Coolers in sturdy Carboard Boxes. 12″ x 11″ x 9″ coolers with thick, durable walls of Insulation. Inside storage dimensions are 9″ x 8″ x 6″ Use for frozen and refrigerated consumer goods and products. Packed in sets of three. Superior insulation and durability.