Stock flat water ⁄ blood drop magnet. How is your customer sending these magnets to their customers? Enter Direct Mail in the search box above or contact your local representative for more information on easy mailing options available!Great for promoting local blood drives, these 2 x 2 1/2 droplet shaped magnets offer plenty of space for adding your custom message. They are approximately 0.020 thick and always-in-stock. These magnetic accessories make ideal promotional tools for businesses in the healthcare industry. Whether you work in a hospital, doctor office or research lab, promotional giveaways can help keep your brand in easy view of potential clients.