| Spun bonded polypropylene is an economical material, which is a far better substitute for other forms of plastic bags because bags made from this substance are stronger and get re-used often. It is available in different weights ranging from a very lightweight 50 grams per square meter which is used for shoe bags to 100 grams per square meter which is used for re-usable shopping bags, laundry bags, newspaper bags, and promotional bags. Available in different sizes. Sewn seams offer great strength.
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