Inventory Control Stickers labels are 2 inch in diameter, 500 pieces per roll. Return to vendor stickers are in bright red, it is eye catching and will tell people the information. Round control stickers is in control of your shipping and inventory control! They feature a bright label stock with large font size. Self adhesive color coding stickers labels are easy to peel and stick.It allows excellent adhesion to poly bags, boxes, bubble wrap, shrink wrap and pallets QUALITY CUSTOMER SERVICE: Any question about products or orders, please feel free to contact the customer service, we will try our best to solve the problem.