Crystal Sandglass Beautiful style, various colors and shapes. The acrylic ... for promotion, gift,stationary or advertising.3D image or model can be engraved in the block.The acrylic sandglass is ... for promotion, gift, stationary or advertising.3D image or model can be engraved in the cubEach side of the ... please do not hesitate to contact us. Material:K9 crystal (Other coloursor materials are available)