... magnet ,magnetic bookmark ,magnetic photo frame ,magnetic puzzle ,magnetic board ,magnetic phone book ,magnetic dart ,various dysmorphism fridge magnet,etc ... coaster and so onTin badge has below standards: dia. 18MM 20MM 25MM 30MM 32MM 35MM 38MM 40MM 44MM 50MM 55MM ... ,to choose our products is enterprises and institutions best choice for promotional activities. best-selling magnetic message board