Stock backgrounds available. Magnets are made from flexible magnet sheets containing a minimum of 12 percent recycled material. Orders placed after June 1, 2017 with Calendar stock background will default to 2018 calendars unless otherwise specified. Magnets are not recommended for outdoor use or for use on cars. Complies with ASTM, CPSIA, Prop 65. 5 1/4" W x 8" H x 20mil Thick. Packaging: Bulk. Imprint Area: . Please call for availability of rush delivery.