These durable moulded plastic blocks are the easy and instant way to build a patio or pathway and whats more when you buy this set of 12 blocks youll save 5 made to mimic heavy concrete paving slabs they are easier to lift and build with and will create an instant effect without the need to mix cement or lay a sand bed plastic teeth on the underside help them bed into the ground to provide a stable anti slip surfacemeasures 12 squarebuy this sets of 12 blocks and save 5