1.Extra security seal:Great for restaurant to secure deliveries,work perfectly for handmade items in jars. 2.These sticker do the job strong and sturdy and stick to the plastic bags and/or paper bags with no problem. 3.These stickers provide extra security for togo orders also providing the customer a sense of added protection of there order. 4.With stronge adhseive,easy to peel off the roll and apply on the surface. 5.Each tamperresistant label measures 3.5x0.75 inch,500 pcs per roll.