Promotional Backpacks, Wave Sling Bag - Water Bottle Compatible & Multiple Compartments, Great modern sling pack for a variety of uses Two zippered compartments to store all accessories Adjustable shoulder straps Pen loop (pen not included) Side mesh pocket for water bottle (not included) This product is kid-friendly CPSIA compliant Back panel matches primary bag color Back of pack is 210D polyester ... #5220 $9.80/each.