Shnoop offers the 3M Scotch Magic Greener Tape 8-Pack, model no. 812-8P, for $10.99. Coupon code "qbNRu6sb" cuts the price to $9.99. With free shipping, that's the lowest total price we could find by $13. This photo-safe tape contains a minimum of 53% plant-based materials by weight.
Note: It doesn't include a dispenser.