Measure under the arm and around the fullest part of the chest with arms down, keeping tape horizontal.
Not available from Vendor
The Webb Space Telescope identifier is composed of two representational components, the Mirror and the Sunshield. The full identifier should be used when space allows. In certain instances, it may be practical to use the text-only identifier. These files may not be modified in any way.
Credits:
IMAGE: STScI, NASA, ESA, CSA
