Cedar Essence Tongue and Groove Cedar Drawer Liner Each Plank is 12"L x 4.25"W x 1/4" Thick. MADE IN THE U.S.A. SET OF 5. Set of 5 interlocking tongue and groove drawers liners, 12"L x 21"W total Dimensions when put together. Put together as many or as few as you need to fit your space. For perfect fit, you may need to use a saw to trim the excess. Aromatic cedar drawer liners offer natural protection againt damage from moths and all insects. As well as absorbing moister and mildew. Cedar plank drawer liners bring a fresh fragrance into your home. Either side of the planks can be used. There are no surface grooves but rather both sides have a smooth finish. Revive the cedar fragrance by light sanding, wipe with a lightly dampened cloth, and let dry.