High Quality EVA Foam - FOCEAN Boat flooring uses high-quality EVA(Ethylene-vinyl Acetate) material, Not easy deformation; High tensile elongation; Not easy to tear or damage; Not easy to fade; High density. Maintain a constant temperature, not easy to absorb heat; Odorless, non-toxic. Strong glue at the back(Extra with super glue), Non-Slip Self-Adhesive. Hardness: 55 (±1P)