The Kit contains: 1 Ultrabond Primer+1 Base Top Coat 2 In 1+1 The Gel Polish – Color+1 All In One Remover 100 Ml+1 All In One Prep + Clean 100 Ml+1 Washable File+1 Washable Nail File. It has excellent performance and is suitable for both gel and acrylic treatments. How to use: - Apply to the nails to leave the surface ready and improve adherence and duration.