The RTM System saves time and money by doing the work for you. You receive 88 custom colours on Maple and Oak. Use our large 4X5 colour chips as your own colour selection, supplied in an attractive wooden box for a professional looking stain display. General Finishes colour chips are made with cabinet grade plywood. Offered in two species selections: Maple on one side and Oak on the other, or Alder on one sied and Maple on the other. Each chip is labelled with the formula right on the chip for quick, easy reference.