Korbell standard bin 15l the korbell nappy disposal system is an indispensable item for your nursery once you have one of these you will wonder how on earth you managed without it emptying the bin is as easy as 1 2 3 when the bin is full you simply open the door pull the bag out and cut the full bag on child proof bag cutter dispose of the contents and then tie a knot at the bottom of the liner to create a new bag and close the door this way the nappy bin liners are very economical to use