Our industrial turned contemporary open ended envelope with an up ended twist. It is in the standard business size for an 8 1/2" x 11" folded in thirds. The perfect red; strong, clear and exciting. Size- 4 1/8" x 9 1/2" Sold in packs of 10. When designing, remember that darker colors may rub off on lighter colors. Consider using a layer (such as tissue) between the different colors.