Envelopes and bags in low density polyethylene, high density polyethylene or polypropylene, for automatic or semi-automatic packaging, with the possibility of customization with prints of up to 10 colours. Available with applied labels, different types of handles or handles, particularly suitable for the incontinence and tissue market. They can be made both in PE with virgin polymers and in certified recycled PE (Plastic Second Life). Applications: courier bags, security bags, wicket bags