Minimize the danger of harm or injury to people handling your packages with these Danger and Caution labels! This Caution label reads as follows: "Caution, This bag contains moisture-sensitive devices, 1. Shelf life in sealed bag: 12 months at <40 degrees C and <90% relative humidity (RH) 2. After this bag is opened, devices hat will be subjected to infrared reflow vapor-phase reflow, or equivalent processing (peak package body temp. 220 degrees C) must be: a. Mounted within: __ hours at factory conditions of less than or equal to 30 degrees C/60% RH or b. stored at less than or equal to 20% RH 3. Devices require baking, before mounting if: a. Humidity Indicator Card is > 20% when read at 20 degrees C plus or minus 5 degrees C, or b. 2a or 2b is not met 4. If baking is required devices may be baked for: a. ____ hours at 40 degrees C + 5 degrees C / 0 and < 5% RH for low temperature device containers, or b. _____ hours at 125 degrees C plus or minus 5 degrees C for high temperature device containers. Bag Seal Date_________________" These square labels are paper with permanent pressure sensitive adhesive on the back. Labels are packaged and sold in quantities of 1000 (2 Rolls of 500).