Amazon has 28-Can Coleman Soft Backpack Cooler (khaki) for $19.49. Shipping is free w/ Prime, or free on $25+ orders.
Features:
- Main compartment keeps contents cold and prevents leaks with heat-welded seams
- Holds up to 28 cans
- Easy to carry backpack design with adjustable padded straps for maximum comfort
- Large front pocket for quick access to napkins and accessories