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Aenor certifica las bolsas de plástico ecológicasThe Asociación Española de Normalización y Certificación
(Aenor) has developed two rules links that they contain ecological criteria of standardization of polyethylene bags.These rules are referred to as UNE 5391: 1996 for polyethylene garbage bags and UNE 53970: 1996 for poly type t-shirt bag.
In the manufacture of bags you should use the least amount of polyethylene possible (preferably recycling), limit the use of water, energy, and toxic substances and inform the consumer through the marking of the bag and the packaging on their proper use and disposal.