15-45mm tumble clay tumble pottery sea pottery pieces sea terracotta pieces tumbled pottery craft tiles craft pottery ceramic tiles mosaic

15mm-45mm 0.4"-1.8" Handmade tumble tiles. 6-7mm thick Handmade tumble sea pottery mosaic tiles. For mosaic making, jewelry supplies, collage crafts, collage picture making, jewelry making, mosaic supplies, framing supplies.