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Mattress units manufactured from double twisted hexagonal woven steel wire mesh divided into uniformly portioned cells by internal diaphragms. These are positioned by inserting an upright double-mesh fold in the base panel, which improves diaphragm stability during filling operations. Reno mattresses are filled with stones at the project site to form flexible, permeable, monolithic structures such as river bank protection and channel linings for erosion control projects. In order to reinforce the structure, all mesh panel edges are selvedged with a wire having a greater diameter. The products covered by the present EPD are all mattresses implemented with plastic coated steel wire and produced in two plants: Italy and Slovakia. The process of analysis has been performed on a sample of product variants selected against the production mass criteria and representative of at least 70% of the production in each plants in the reference year.