A soft sided cooler that can withstand the elements, the Engel HD20 is the heavy-duty water and air resistant cooler bag that you can take anywhere. With welded seams, a durable outer shell and puncture resistant TPU outer wall, this cooler is constructed with maximum strength against abrasions and punctures. Keeping additional air out and preventing water leaks, the closed-cell foam insulation holds ice up to 4 days. Use the tote handles or single padded shoulder strap for easy travel.