Hign-concerned Chemical: None Number of Pieces: One Unit Volume: 15ml Ingredient: Natural resin Quantity: 1 PIECE Model Number: 15ML GEL POLISH Type: Gel Polish Brand Name: NAILCO Origin: Mainland China Brand Name: NAILCO  Materials: UV Curable Resin Volume:15ML/0.5 fl.oz Net Weight:63g Certification: MSDS, SGS Curing Tools: UV Lamp, LED Lamp, UV/LED CCFL Lamp The Quality is our 1st priority. Gels keep shiny upto 30 days….