Details:

• Folded: 11" wide at the top, 9" wide at the bottom x  7.5" long x 3" deep
• Unfolded: 11" wide at the top, 9" wide at the bottom x 12" long x 3" deep
• Front zippered pocket (when folded)
• Front slip pocket (when unfolded) 
• Back slip pocket
• Zippered main compartment
• 2 interior slip pockets
• 1 interior zippered pocket
• Strap adjusts from 29.5"-51.5" long, 1.5" wide