The Ultra•Strip III Book label exhibits a special ultra low-tack adhesive designed to protect books without damaging pages or falling out when the book is opened. The Book Label is compatible with all Ultra•Max® detectors and proximity deactivation devices. Due to its intended usage, contact deactivation is not recommended. This label product is available in barcode half sheets consisting of 54 labels. Note: The Book Label should not be placed on product intended for children's use.