Optional handle for 30 oz tumblers. Simply slid the handle onto the bottom of the tumbler and pull up until it has a snug fit. Handle extends to 1 3/4 inch. Tumbler sold separately.  
 
Size:  5 1/2" x 5 1/2"
 
Once on the mug, the handle extends 1 3/4".
The inside of the handle is 1 1/8"(L) x 3 1/2"(H).
The insdie of the bottom circle only is lined with light gray rubber.
When handle is installed on the 30 oz. Polar Camel the engraving area on the mug at the widest point of the handle is 1 15/16".
PBA Free
 
To purchase 30oz POLAR CAMEL TUMBLER, click link.