These insulated containers solve numerous laboratory shipping problems. Polystyrene foam insulates and acts as shock absorber. Interior dimensions: 10.5 x 7.25 x 10“. Overall dimensions: 13.75 x 10.5 x 13.5“. Includes insulated lid. Wall thickness: 1.5“. With 275 lb. test fiberboard outer case. Dry ice capacity: 30 lbs.