5458 30mm shell products are offered for sale by suppliers on Alibaba.com, of which loose gemstones accounts for 3%, shell, bone & coral beads accounts for 1%, and natural crafts accounts for 1%.
A wide variety of 30mm shell options are available to you, such as shell, coral and bone.You can also choose from natural, white and colorful 30mm shell,As well as from round, flower 30mm shell,