Lock in odors and keep products fresh and discreet inside these carbon smell-proof stash backpacks! Popular with companies, these bags are ideal for travel and storing your strong smell items. Measuring 18"x12"x6", each bag is offered in a variety of colors and come with a combination lock for total security, several compartments for storage and a water-resistant seal. They also feature a carbon layer on the interior that completely neutralizes odors inside. Put your brand name or logo on display with an included one-color imprint.