61" x 15" x 96" x .005EQ Super Strength Mattress Poly Bag W/ Butterfly Vents in

13-3/4" x 21" 6-1/4"BG x .125 Mil gusseted bag is simply a pleat made into a bag; they have sides that balloon out to hold the product in a box shape. When you place your product into a gusseted bag, you are squaring the bottom and eliminating what are commonly referred to as dog ears -the corners of the plastic bag that would otherwise stick out.