To ensure blitzed and crushed food particles don't end up on your ceiling whilst using your blender, make sure the lid on your food processor is securely fitted and possessing no cracks. If you require a replacement, look no further than eSpares. This spare part may be what you're after to restore your ailing blender back to new and ensure it can always be used with ease. 

This is a genuine spare part for select Bosch blenders. Please see the list of appliances prior to ordering to ensure this part is compatible with your particular blender.