This service we are happy to offer to all our customers at a flat rate of 180 including core cost. If you’d like to Send us in your your cores we charge 65 per cover upon receiving your old cores. Saving you $50 off our listed cost, upon receiving cores we will issue a partial refund of $50. We have 15 different colors to chose from please shoot us a call at 9735900314 or email @ firstname.lastname@example.org for all color choices. Our prices include shipping, we can also offer a blend of colors to make a custom design if needed.