This is an interesting idea--an energy patch! It entertains me because after getting up for our morning radio show at 4am for the past 20 years--I've tried every caffeine delivery method but intravenous...and a patch. The pack includes a 4 patch sample. Spot On Energy Patches combine energy ingredients—B vitamins, green tea extract, caffeine and taurine. To get them free, add them toyour cart, and you'll then need to start the checkout process and fill out your mailing info. Shipping is FREE too, and you will not have to enter any credit card info!