Specification: 1700*820*500mm Colour: White , Bone colour Biref introduction:The luxurious bathtub of casting iron enamel, has passed ISO9001-2000 international authentication and U.S.A. UPC authentication . In order to export to U.S.A. and Russia , Australia , Hong Kong etc now. Product this adopt U.S.A. production technology , concentrate U.S.A. defend quintessence of bath , by former U.S.A. mark company while being American senior engineer and technical staff instruct and measure regularly, with cast expert , make glaze expert cooperate meticulously , is it import top-grade casting iron enamel that porcelain glaze produce defend the bath products to adopt at home, this product is nonpoisonous