The size of the tested sticker is 2x1 Inch.Tested sticker can be used for quality control,production,product testing,inventory management and more.The color is bright and eye-catching and will not be ignored no matter where it is pasted.Inventory control stickers are a great choice for small businesses,as they bring convenience in distinguishing product quality.After purchasing,you will receive 500 stickers.If you have any questions about our products,please contact us! We will respond within 24 hours.