Fun Express Genuine Mini Seashells - 2800 Pieces Genuine Mini Seashells. Leave the beach combing for another day, these seashells by the seashore come straight to your door! There are limitless crafting and decorating possibilities for these genuine nautical gems! String them to make jewelry or affix these mini conchs to surfaces for shapely designs and borders! (Approx. 2800 pcs. per unit) 1/4" - 1/2" Natural seashells, size and color may vary.