Cut down on costs without cutting down on style old riven may represent a more economical solution for your garden but it certainly doesnt mean it wont give you a beautiful looking patio or garden featurer r on the contrary the quality look and feel of old riven along with a choice of four attractive shades in six sizes and circle options belie its inexpensive price tagr r each pack contains 87 unitsr r joint width 10 15mmr r thickness 35mm