Face the PVC window out from whatever you are shipping.
Wrap the neck portion around the handle and join the corresponding snaps. Firmly press the Velcro material between the snaps.
Flip the tag up so side 2 is exposed Weave the strap through the two aligned holes around the handle and buckle.
Draw the strap semi-taut then buckle. IMPORTANT: Buckle the strap, then immediately insert whatever excess strap is left through the belt loop. Do not let it dangle; you must push through the belt loop.
Twist the tag around the handle so the tag is facing out for easy scanning.
This video shows the process for attaching an ANOA Shipping Tag on a bag.