~ All of the grids included with the Picture Communication Symbol materials are printed on sturdy card stock. When there is a symbol size option, they have grids for 1" size symbols on one side, and 2" size symbols on the other side.
The sheet protectors are made of heavy duty non-glare vinyl. Each protector fits into a standard 3-ring binder, and encloses girds (8 1/2 x 11") for either size of symbol.
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