Show off your mini masterpieces on the fridge, a whiteboard and other metal surfaces with these shaped magnetic art panels from Craft Smart. Archival, acid-free and acrylic gesso primed so they're ready to paint, these canvases made from lightweight cotton duck fabric can be used as part of a unique project in the classroom, a fun party activity or just as a way to enjoy your time painting on a rainy day. Details: White Available in multiple shapes 5 canvas panels Magnetic Archival and acid free Lightweight cotton duck Acrylic gesso primed Cotton canvas, paper board and magnetic back Conforms to ASTM D-4236 Size Information: Heart, star, square and circle: 4" x 4" (10.2cm x 10.2cm) Butterfly bracket and arch: 4" x 3" (10.2cm x 7.6cm) Flower: 4" x 3.7" (10.2cm x 9.3cm) Antique oval: 4" x 2.8" (10.2cm x 7.1cm)