A towel-mat includes a frame member being formed from a flexible twistable material, a first membrane and a second membrane. The first membrane has a perimeter portion to which a frame member is attached. The second membrane has a perimeter portion. The second membrane is removably attachable to the...http://www.google.fr/patents/US6343391?utm_source=gb-gplus-shareBrevet US6343391 - Towel-mat with a frame member and removably attached membranes
Towel-mat with a frame member and removably attached membranes
