Ultra luxurious and highly functional, too. The Vinca Tumbler - Jet Black Marble is handcrafted from a solid block of jet black marble, may be used as a tumbler or vase, and includes felt pads on the base to keep your countertops protected from scratches. About Designs by Marble Crafters Inc. Designs by Marble Crafters Inc., a Dallas-Fort Worth-based company, offers exquisite handcrafted stone products, each item a result of over two decades experience in the art of stonecraft. Using genuine marble and onyx from the Himalayas and the Arabian Sea, the company’s craftsmen turn the natural, hard rocks in to polished masterpieces. Several rounds of hand sanding produce a natural brilliance radiating from the stone itself, not from a chemical glaze like other stone products. The company also prides itself on its unparalleled manufacturing, customer service, and prompt delivery. * Hand-made from a solid block of jet black marble * Part of the Vinca jet black marble collection * Use as a tumbler, vase, or other vessel * Felt pads on the bottom protect countertops * Dimensions: 3 diam. x 5H inches