The TaB can on the left is part of a necklace, and is about 1 inch high. The mini TaB six-pack is under 1/2 an inch high.
The mini-TaB six-pack is from seller fpdolly on ebay…
Remember to check out these links as well:
TaB Products (on ILoveTaB messageboard
Links to TaB Merchandise (then select “TaB Merchandise” from drop-down menu)