【Flexible Rubber Base】Modelones builder rubber base gel is specially designed to improve nail flexibility and protect natural nails from damage, suitable for thin, brittle nails. It has enhanced elasticity and flexibility, and can bend with natural nails to protect nails | 【Strengthen & Curvature】The Rubber base coat can smooth the nail surface and create a strong, natural and full curvature for the nail surface. You can use rubber base as base coat , nail strengthen , builder gel and clear gel polish. Requires UV/LED curing 30-60s | 【Help Nails Grow out】 Rubber nail base gel is designed to give extra strength to thin, flaky, brittle, splitting or uneven nails, while bending well with natural nails reducing the risk of breakage or damage. The rubber base feels gentle and lightweight, making your natural nails feel like they're wearing nothing at all | 【Improved Adhesion】Rubber base gel is different from ordinary base coat in that it has excellent adhesion and tenacity. Its resilient formula can perfectly fit the nail surface and gel polish to avoid lifting, splitting, or peeling off. Due to its excellent adhesion, you don’t even need to polish your nails to use it directly, and still last much longer than regular polish | 【Healthy Fromula】Modelones rubber base builder gel Contains natural nano-plant resin, 11 toxin-free; No irritating ingredients, low odor, friendly to the nail bed; After 103 formulation stability tests, it provides a good foundation for its adhesive properties and enhances the durability of gel polish | 【WE CARE ABOUT YOU】 Rubber gel base for nails for external use on nails only. Skin Test before using is needed. Stop Using it when discomfort or allergic reaction occurs.Our product is brand new and sealed well ,feel free to contact us when encounter any problems