Length 600mm. Height 210mm. Width 90mm to 110mm . 20 MPA concrete mix untill darken. Block walls can built to 1200 mm height on appropriate footings ( check to iittinit council requirements ). Block can be laid to suite any curve or circle by cutting the end of block to suite curve. Block can accommodate any garden design just let your imagination do the work for you. Block conner available to finish of ends. Block are easy to lay for handy man. All products are manufactured by stevesoasislandscapes. We are proud to comment that our products are so unique and versatile. Our products price range is will below most of our competitors. All products are hand made,care and pride in every block we make.