Zozi offers the Timbuk2 Quickie Laptop Messenger Bag in Algae Green/Gunmetal (pictured) or Black/Gunmetal for $25 plus $7 for shipping. That's the lowest total price we could find for any of these combinations by at least $5, outside of the mentions below. It features a removable shoulder strap, foam interior, pockets for accessories, and more. It's available in sizes XXS (for 10" tablets) to M (for 15" laptops).

Of note:

• newegg has Black Small for $19.99 with free shipping
• Mesa Liquidators via Amazon has Green Extra Small for $29.95 with free shipping
• 6pm has Black Large for $30.99 with free shipping
• Mesa Liquidators via Amazon has Black Extra Small for $31.95 with free shipping