Activa Bioactive Base/Liner VALUE Pack. First dental base/liner with a bioactive resin matrix, a shock-absorbing resin component, and bioactive glass fillers. Dentin shade. No sensitivity. Ionic bonds form exceptional margin seal. Value Pack Contains: 2 x 5 ml/7gm Syringes and 40 Automix Tips with Bendable 20-gauge Metal Cannula. Value Pack