Amazon.com has 12-Pack of 16.9oz Ito En Oi Ocha Unsweetened Green Tea for $10.49 after 'clipped' 25% off coupon (clipped automatically through link when logged in to Amazon) and checkout via Subscribe & Save. Shipping is free.

Note: You must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.