This economical kit is for preparing porcelain surfaces for bonding. Use with your preferred composite or resin cement. The one-minute application of Porcelain Etch Gel will not stain the ceramic. Kit contains: - 1 x 1.2 ml Porcelain etch gel. - 1 x 1.2 ml Kool dam. - 1 x 1.2 ml Silane. - 1 x 1.2 ml Drying agent. - 8 x Dispensing tips.