Constructed in 100% EPP-expanded polypropylene. 100% recyclable, hypoallergenic, shock-absorbent, lightweight. Available in 10 colors: black, white, silver-grey, magenta, orange, green, blue, brown, gold-cream, and lemon-yellow. 5 MODUL, 12 MODUL and 16 MODUL standard versions. Other configurations available on special request.