White Half Sheet Shipping Label, are 6.1 mil thick with a weight of 93 pounds per ream of 25" x 38" sheets. The face paper of these labels is a 50# Jet Laser lignin-free machine finished paper. These multifunctional information labels are designed for single or multicolor inkjet printers, as well as laser printers and photocopiers. The opacity of the face stock is 92% with a 98% brightness rating. The adhesive used on these labels is a modified acrylic adhesive. The minimum labeling temperature for this type of adhesive is 32° Fahrenheit, with a service temperature range from -4°F to 248°F. A 35# white kraft liner completes this label. The label liner is ideal for VIP label stock where a thin liner is needed, especially useful in sheeted label stock applications. The shelf life of these labels when stored at 70°F and 50% relative humidity (RH) is one year. Size: 8.5" x 5.5", Color: White. 2 Labels per Sheet (100 Sheets per Carton)