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Plastic shopping bagIncludingPlastic sackAnd plastic film bags. The former has the characteristics of light weight, high strength, corrosion resistance, etc. After adding a plastic film lining, it can prevent moisture and dampness. The light-type bag has a carrying capacity of less than 2.5kg; the medium-sized bag has a carrying capacity of 25-50kg; the heavy-type bag has a carrying capacity of 50-100kg. The latter's light-type bag has a carrying capacity of more than 1kg; the medium-sized bag has a carrying capacity of 1-10kg; the heavy-type bag has a carrying capacity of 10-30kg; the bulk bag has a carrying capacity of more than 1000kg.