Mary’s award-winning transdermal patches are born out of a commitment to accurate dosing through an advanced delivery method. The 2”x2” squares simply adhere to any venous part of the skin for 8-12 hours of unsurpassed, systemic relief. Discreet, convenient and reliable. This THCa patch is also formulated with specific terpenes for increased effectiveness: Linalool, Limonene, Pinene, and B-Caryophylene. Apply to any venous area of the skin for best results. High bioavailability. 15-30-minute uptake time.