HOKEJAM.LV Helmet Number Sticker Black , available in sets. HOKEJAM.LV Helmet Bold Number Sticker, available color - White, Helmet accessory, generic stickers, bold, available in sets. Please, note, That location of stickers on a hockey helmet is strategically regulated because it matters. Location could affect the integrity of the helmet. It’s required that every helmet includes a sticker certifying that the helmet meets safety regulations. If you decide you would like to apply additional stickers, you have to ensure that it doesn’t cover the certification sticker and doesn’t compromise the helmet’s integrity.