971 6mm gravel products are offered for sale by suppliers on Alibaba.com, of which cobbles & pebbles accounts for 15%.
A wide variety of 6mm gravel options are available to you, such as white, black and mixed.You can also choose from park, outdoor and hotel 6mm gravel,as well as from natural stone, artificial stone, and glass 6mm gravel, and whether 6mm gravel is modern, traditional, or contemporary.