Yellow Labels with No Tamper Proof Slits to fit Towa GS Series/Halmark/Century Price Guns 16 pack (Free ink roll included) Premium Paper Stock General Purpose Adhesive No Tamper Proof Slits Includes Free Ink Roller Labels fit Towa GS Series/ Halmark/ Century, Motex MX5500, Avery Dennison/ Sato M1, and XL Pro 1A, 1B, and 21B-227