colorful glass VASE, engraved FLOWER VASE 1.We use high white material - quartz sand. 2.SGS and ISO9001:2000 certified. colorful glass VASE, engraved FLOWER VASE1.we are glass factory. 2.LOGO per your request.3.to be COLORFUL, selectable.4.They are uniquely manufactured by handblown with expensive white material, not the ordinary white ones. colorful glass VASE, engraved FLOWER VASE