Heads up for all you Petco members/shoppers! From now until July 31st, Petco is offering a free unleashed tote, for those with a Smartphone. All you have to do is go to your local Petco and check-in on Facebook. Then, just show a Petco associate and you'll receive a free tote. Yay! Thanks Free Sample Freak! Click here for the Facebook link and all the details.