Grit Bin Lockable 200 Litre Tough Medium Density UV Stabilised Polythene Yellow 0904113 The lockable 200 Litre Grit Bin is heavy duty Grit Bin with a rigid structure to withstand adverse weather conditions, heavy contents, knocks and roadside bumps. This ideal solution for gritting salt storage will not discolour or deteriorate through long-term exposure to different weather conditions and is manufactured from tough, medium density UV stabilised polythene.