This item is sold by cases of:  ” Deluxe See-Through Backpack Material: Clear PVC Dimension: 17″ x 13.5″x7″ Case Pack: 20 pcs Colors Available: Black Trim Features: *0.5 mm Extremely heavy duty vinyl. *Dual zipper on both main compartment & front pocket. *Mesh organizer in front pocket. *Reinforced shoulder straps for durability. *Mesh pocket on both sides. *Padded and adjustable shoulder straps. *Completely see-through all around. *Heavy duty zipper.