All the cases must be lined with waterproof paper (Kraft paper, polythene).
Solar calculator shall be wrapped up in seaworthy waterproof paper.
Each be lined with waterproof paper, so that can not be spoil by dampness or rain .
Our men's shirts are packed each in a plastic bag, 5 dozens to a carton which is lined with waterproof paper and secured by double overall metal straps.
Each is lined with waterproof paper, so that it can't be spoiled by dampness or rain.