One embodiment of the present disclosure provides a shielding apparatus including a double-lined container having an outer pocket and an inner pocket mounted within the outer pocket. The inner and outer pockets each form an enclosure having a continuous closed edge interrupted by an opening. The continuous closed edge of the outer pocket is adjacent the continuous closed edge of the inner pocket, and the opening of the outer pocket is adjacent the opening of the inner pocket. The adjacent openings are interconnected and include a device for simultaneously opening and closing the interconnected adjacent openings. A first plurality of stitches and folds are included in the continuous closed edge of the inner pocket and a second plurality of stitches and folds are included in the continuous closed edge of the outer pocket.