Valv ECO MDF. Optional colour is made by Ringvide Studio. Details and photos of Valv ECO MDF. Optional colour are displayed above. You can also check other products in Ringvide Studio category. Ringvide Studio / Ringvide Studio Ringvide Studio products by Ringvide Studio Weave 86. Natural White Oiled Birch Haiku 130-3 Level. Natural Oiled Ash Weave 133. Natural White Oiled Birch Haiku 150-3 Level. Natural Oiled Oak Weave Frame. Oak Wood, Natural Oil Klot 90. Natural Oiled Ash For direct contact visit the website of the brand at: ringvide.com