Welcome to DiscoveryLancer.com, your source for imprinted sportswear equipment & supplies. Discovery has been providing letters, numbers and imprinting equipment since 1973. We carry heat transfer machines, mug presses and button machines. We also carry pennants, banners, instant heat transfer paper, screen printing supplies and equipment, Duracad materials, Pro Stitch & Semi Stitch lettering, pre-aligned sets, crests, team sets, name bars and 3M® Scotchlite® Reflective Material.