This Celtic triangle grip by Grip Graqhique comes with 30 pieces of individual Celtic triangle shapes to grip your deck with. There are 30 pieces in each pack and each scale is 3″ x 3″ long. They can be placed on the board, vertically, horizontally, diagonally or randomly-The choice is yours! One pack will cover approximately half of one 11×36″ board. Use this Celtic triangle design to creat an optical illusion on your deck!