Please be aware that products are shipped from China so if you are from america or any other country that has taxes from China, you will have to pay the taxes at the reception of the product as well.

The total length of the leather strap is 60cm, and the adjustable range is 42~53cm.
The gag is ajustable between 5 & 11cm deep in the throat to have the most efficient training.
Others sizes are shown on the second picture.
Made of silicone & alloy.