Silk-Screen - If you're looking to carry your marketing efforts to new heights, this budget sling backpack will do just the trick! Measuring 13" x 16" x 6" and available in several colors, this trendy bag is made of 210-denier polyester and features a front zippered pocket and an adjustable shoulder sling with a cellphone holder. Spot clean/air dry. Rush service comes with standard pricing. Ideal for students, travels, bike messengers and more, it can be customized with an imprint (transfer, silkscreen, four-color process) of your brand logo.