Mary's 10 Pack Patches Mary’s award-winning Transdermal Patches are now available in a 10-pack for everyday self-care. Each 10-pack of Mary's Patches contains 2x2" squares that simply adhere to any veinous part of the skin, providing 8-12 hours of discreet systemic relief. Energy (THC Sativa) Patch: Energy Transdermal Patches are designed with synergistic Sativa terpenes and may provide a natural and sustained boost of energy throughout the day. Our patches are formulated with natural ingredients that work together to promote energy and vitality.