It looks like there are 2 options (10.5 and 9.5) for the full size staff bag with these details -

Accessory Pockets and Umbrella Well

Multiple pockets including a Velour Lined Valuables Pocket and Dual Accessory Pockets behind the Billboard Panels. Versatile large entry Apparel Pocket. Interior also includes added organizational feature. Zip-Off Apparel Pocket panel for ease in customization. 10.5’’ Top-Cuff Staff Bag includes 2 Ball Pockets. 9.5’’ Top-Cuff Staff Bag includes 1 Ball Pocket. Hidden Water Bottle Pocket. Integrated Umbrella Sleeve.

Pockets

Multiple pockets including a velour lined valuables pocket and dual accessory pockets behind the billboard panels. Zippered velour-lined accessory pocket. Versatile large entry apparel pocket. Interior also includes added organization features. Zip-off apparel pocket panel for ease in customization. The 10.5" Top-Cuff Staff Bag includes 2 ball pockets. The 9.5" Top-Cuff Staff Bag includes 1 ball pocket. Hidden water bottle pocket.

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It seems that the midsize staff bag has the pockets that you pull out as defined below - 

Accessory Pockets and Umbrella Well

Horseshoe-Shaped, Velour-Lined Accessory Pocket. Coal-Chute Ball Pocket. Additional Accessory Pocket. U-Shaped Entry Apparel Pocket. U-Shaped Zippered Accessory Pocket. Zippered Pocket behind Billboard Panels and on either side of handle. Hidden Umbrella Well.

Ball Pocket and Assist Handle

Coal-chute ball pocket.