These 16" diameter cutting boards are made specifically for the round sinks of Airstream trailers( Signature, Flying Cloud, International Serenity) *Does not work with aftermarket undermount sinks . The whole maple mix is the base price. Modifications can be made for a mostly walnut mix and the elipse cutout for the faucet. If you see a specific board pictured and want it made you have to select that option from the drop down list and make a note when ordering or email us email@example.com. We ship in the continental US. *****These boards are not pre-made so the process can take up to 4 weeks to produce and ship.