Sky Glue/Adhesive is a global bestseller from a trusted South Korean brand. We at Plush Beauty have partnered with the manufacturer to bring you this exciting product. We import small batches on a regular basis to offer you the freshest adhesive bottles possible. FOR PROFESSIONAL USE ONLY Sky Zone is a new formula amd improved formula (over the Sky S+). This new glue is strong, fast and is much more flexible once cured, and is far lower in fume compared to the Sky S+. Size: 5ml Glue Color: BLACK Drying Time: 1-2 seconds Retention time: 6-7 weeks Recommended temperature: 74-82°F (23-28°C) Recommended humidity: RH 50-70% Latex Free & Formaldehyde Free Recommended for advanced lash technician with fast and steady hands. Our SKY Adhesive comes with new reusable zip lock packaging. Many sellers do not include the zip lock bag but WE DO. Always store your glue back into the zip lock bag after use to keep it fresh and longer life! This product will cling onto natural lash effortlessly. Our Sky S+ Pro eyelash extensions Glue are so fresh. Direct from the manufacturer from Korea. It is so fresh that you can store them unopened in the fridge for up to 10-12 months. Sky Glue is professional product and is meant to only be used by professionals. This product is not suitable for strip lashes like Ardell. It is only meant to be used for eyelash extensions.