HM 0.025MM X 14" X 22"

This is a normal thickness of HM0.025mm HDPE which could hold your item well, there are a few sizes to be chosen:

HM0.025mm x 12” x 18”

HM0.025mm x 13” x 19”

HM0.025mm x 14” x 22”

HM0.025mm x 16” x 24”

HM0.025mm x 18” x 24”

HM0.025mm x 18” x 30”