20mm thickness 3D mesh seat cushion soft,breathable,lasting elastic,great support ability,anti-bacterial,easy wash,quick dry ... Commom sponge20%20%20%20% Details of 3D mesh car seat cushion: Material100% Polyester 3D spacer mesh fabricPatternMesh holeSize40*40*2cm,or depend on ... durable comfort and optimal air circulation is key.2. Our 3D mesh is made of thousands of resilient fibers, each behaving ...