Great variety of tumble polished stones. Use subcategories to select standard or exotic varieties. A note about sizes: So, let’s start with the fact that every stone is different and they polish differently. Some are long and skinny, some pleasantly round and everything between. That said sizes are approximately, roughly, kina sorta: very small = 3/16 to 3/8 inch, small = 3/8 to 5/8, medium = 5/8 to 7/8, large = 7/8 to 1 1/8, xlarge = 1 1/8  to 1 5/8 and jumbo = 1 ¼ to 2 inches. These are only a rough guideline, actual sizes vary some and shapes vary alot. Bulk stones are mixed sizes only unless otherwise stated.