Stone - "SHELL" wheel thrown cup tumbler, altered, stoneware

Organic, stoneware cups/tumblers are natural vitrified stoneware, inside is glazed with a beige glaze that has slight crystalline/crackle pattern unique to each piece. Made on the pottery wheel. High fired with extreme heat, making the pieces non-porous, strong and durable for regular use. The surface might be slightly uneven and natural-looking as each one is handmade.