Using this replacement diced foam block is easy. Just take out the old foam block from your GRW - DRW2 standard 2U drawer and put this new one in its place. When handling it, be gentle to avoid any damage to the foam. To keep it in good condition, avoid exposing it to sharp objects. Also, try to keep it in a dry and clean environment. If it gets dirty, you can use a soft brush to gently clean the surface. That's all you need to know to make the most of this great replacement foam block.