Keep your proposal a total surprise with the Monarch Box Slim Engagement Ring Box. Carrying around a big ring box can be a dead giveaway when it comes to proposing. Don’t spoil the surprise. Instead, use the Monarch Box, which is just 12mm thick and weighs only 60 grams. Likewise, the engagement ring box easily slips into your pocket until you’re ready to make a move. Additionally, it comes with strong magnets that create the ideal seal to protect the ring inside. The Monarch Box also features a durable exterior and soft bridal satin lining, making it both elegant and stylish. Furthermore, the engagement ring box fits a maximum ring diameter of 10.5mm and a maximum ring thickness of 4mm. Finally, the Monarch Box comes with a modest and inconspicuous black exterior.