"Is suede leather? Or is it an entirely different material?" Suede is the Rodney Dangerfield of materials--it doesn't get the respect it deserves.
As the name implies, mini backpacks are used to carry small essential items like cell phones, wallets, make-up, keys, etc. Essentially the things you keep handy to need at a moment's notice throughout your day when away from home.
The fanny pack have been seen gracing the runways of top designers and featured in magazines, even being sported by celebrities hot in the fashion industry. What was once an embarrassing fashion faux pas has become a must-have everyday item for women.