Meet the most sustainable direct-thermal labels ever made! They are made from 100% Post-Consumer Recycled White Paper with a non-toxic adhesive. Technical Specs: * 250 labels per roll, 500 labels per fanfold box. * 4x6" labels * 1/8" spacing * 1-inch core, 3-inch outer diameter * Net Weight is 2 lbs They are compatible with most laser and inkjet printers and popular shipping software. . Note: Doesn't work on Dymo Printers Below are some features: * Features pressure-sensitive, self-sealing Adhesive * Non-Toxic Adhesive * Compatible with Direct Thermal Printers. * Processed Chlorine Free (PCF) * BPA Free   🌳 Free Carbon-Neutral Shipping on All Orders🌳