Many families bring home a new Ganesha idol at Ganesh Chaturthi, and a silver one stays in the shrine long after the festival. Choose a size that fits your shelf and check the base, which must be flat so the idol does not tip during pooja. The trunk, ears and the modak in his hand should be clearly cut. Wipe it with a dry cloth after each pooja, and avoid abrasive polish on fine lines... https://www.darjewellery.com/jewellery/ganesh-chaturthi/ganesha-idol