If purchasing more than 1 pattern graph click on "continue shopping" and please wait for a combined invoice. EMAIL ME WITH YOUR FREE CHOICE DO NOT PUT IT IN YOUR SHOPPING CART. YOU WILL BE CHARGED IF YOU DO.***Buy 2 on the same invoice get 1 bonus graph,
***Buy 4 on the same invoice get 2 bonus graphs ,
***Buy 6 on the same invoice get 3 bonus graphs... and so on...
See Store Front for Details.