The Sensi-Dent denture reliner kit is easy, do-it-yourself denture relining. The denture reliner kit contains everything denture wearers need to put a new soft liner on their dentures—the same materials used by dental professionals, but at a fraction of the cost. You get simple, clear instructions, plus a relining that lasts 6-12 months. Denture relining kit contains cushion and adhesive. No express shipping.