ARUsoft 40 uses various densities. Finishes of closed cell EVA materials. This system offers a range of densities. Reduces the need for more materials. Since all the materials are EVA, one type of glue works for all. ARU EVA doesn't need more coverings, is hypoallergenic, and . All ARU materials are flexible and resistant to rubbing, cracking, tearing, and compression. This ensures durable and high-quality custom products.