"333 backpacks":

http://blogs.camdenliving.com/2013/09/03/operation-homefront-las-vegas-edition/

>The Camden team really hit the mark recently as they participated in the Nevada Operation Homefront “Back to School Brigade” where the Camden team collected 333 backpacks to give to military children in the metro Las Vegas area.

http://www.leducrep.com/2011/08/04/giving-leduc-area-kids-tools-for-schools

>Last year the food bank gave out 333 backpacks filled with the necessary supplies, and the estimated cost totalled almost $30,000 in school tools given out.

"backpacks of coffe(e)":

http://www.customresourcesfundraising.com/coffee-backpacks-order-by-case/

>Cases each contain: 9 backpacks of coffee, each backpack holds 52, $1 individual single-pot packets

https://plus.google.com/+ChrisSewell/posts/AtuqovnLZmz

>people pushed carts of donuts around while others had backpacks of coffee to dispense from branded setups.

http://denmarkthrumyeyes.blogspot.com/

>There were Beautiful girls with backpacks of coffee!!!