Insulated compartmented lunch bag

A bag for carrying articles comprising:

• a first side panel formed of a stretchable insulating material;
• a second side panel, opposing said first side panel and formed of the same stretchable insulating material as said first side panel;
• a contact line securing part of said first side panel and second side panel to one another, and separating the space between said first and second side panels;
• into first and second compartments,
• said second compartment being shaped for receiving a beverage container and having an open top end for receiving the beverage container and a closed end opposite said open top end;
• and
• a perimetral edge around the perimeter of said first compartment, except that part of the perimeter of said first compartment formed by said contact line, said perimetral edge having a closure means for selectively closing said first compartment,
• wherein said first compartment is conformable to contents in a sideways direction, and said second compartment is conformable to diverse beverage container shapes to bulge in the sideways direction and allows ready accessibility to a beverage container via said open top end when said first compartment is closed.