1 patch/2 uses Energy and focus boost for 4 hours Reduced mental fatigue No jitters, no anxiety, no negative effect on sleep 45 Day Money-Back Guarantee If you are not satisfied with your product, email us to request a refund at contact@feelzing.com within 45 days of receiving your patches. Please note, to be eligible for refund at least 50% of the packs must be unused.Read more Neuroscience-backedShipping to 36 countries