Personalised Save the Date Invitation Fridge Magnets. EASY FOR YOU TO ASSEMBLE - includes personalised wooden shape, magnets, glue dots, A6 size card and envelopes. Just attach one of the supplied magnets to the back of the shape then put a glue dot on the back of the magnet and stick it on the A6 Size 280gsm Silk Full Colour Printed Card (105mm x 148mm) andin seconds your Save the Date is ready!