Gobi® block is a heavy-duty, high-traction paved surface with regular grass and drainage spaces. Turning or parking areas for boats and caravans laid with Gobi® Blocks provide superior traction even on sloping surfaces and the design of the block allows grass to grow straight through, while also allowing water and nutrients to flow to root systems below. Colour: Natural Dimensions are: 200mm x 200mm x 100mm (nominal size - includes average joint size of 3mm). Coverage: 24 per square metre. All Firth pavers are produced to NZS 3116:2002