"SOS" bags, or "Self-Opening Sacks" are square-bottom paper bags with pleated sides which makes them easier to fold and store. The bags on this page are all referred to as "number 4" or #4, which means sized at approximately 5" X 9.75".
#4 paper bag popular uses include:
- Small Retail Items
- Single Food Items
- Bagel or Donut Shop
Shop more sizes
Underabuck wants to be your #1 supplier of custom, branded promotional products. We offer:
- Free Shipping on all custom printed SOS Bags
- Super Easy Re-Order's
- No setup fees and always all-inclusive pricing
- Lowest Prices - Found a cheaper price? Let us Price Match!
Select the paper bag you are interested in, add to cart, and upload your logo to get started. Need help? Email
or call 1-888-330-2825 and tell us what you're looking for - we'll send you a custom quote.