Always in stock. Non-slip chipboard backing with square or rounded corners. Orders must be placed in 100-piece increments. Orders placed after June 1st 2017 for the "Calendar & Ruled Lines" stock background will default to 2018 calendars unless otherwise specified. Please specify square or rounded corners. If not specified, square corners will be used. Please note: rounded corners are not available for 24 hour service. Free 4-color process imprint. Free stock backgrounds available. Complies with ASTM, CPSIA, Prop 65. 8 1/2" W x 7 1/4" H. Packaging: Bulk. Imprint Area: . Please call for availability of rush delivery.