IF YOUR ARE UNDERTAKING A CLASS OR EVENT ONLINE YOU NEED TO ENSURE YOU HAVE YOUR WINE SAMPLES READY FOR THE CLASS/EVENT. THIS IS THE COST FOR SHIPPING WINE SAMPLES / TASTING KITS TO LOCATIONS INSIDE CA WHEN PURCHASED 4 BUSINESS DAYS PRIOR TO CLASS/EVENT. PLEASE INDICATE YOUR CLASS OR EVENT IN THE "Note to San Francisco Wine School:" SECTION ON THE SHOPPING CART PAGE WHEN CHECKING OUT.