PepsiCo is offering a digital gift card redeemable for a FREE 13.65 oz NITRO PEPSI (up to a $1.88 value) at Walmart stores, while supplies last! Click here from your mobile device then tap REDEEM OFFER, agree to the terms, swipe away on the screen then enter your email to access and save your gift card barcode. To redeem, visit a participating Walmart and scan the code at checkout to get up to $1.88 off your purchase of one 13.65 oz can of Nitro Pepsi.