Under Sink Bathroom Cabinet with 2 Doors and Shelf, Pedestal Sink Bathroom Vanity Furniture, GreySpace Saving: This bathroom sink cabinet fits underneath your bathroom sink, so you can have extra storage space. 8. 75" L x 7. 5" W with a 'U' shaped cut out for the sink pipe. We recommend that you measure your sink before purchasing. Adjustable Shelving: This pedestal sink storage cabinet features an adjustable shelf that you can move up and down to meet your storage needs, like towels, shampoos, or that hair spray that's usually always too tall to