Bottle of BYB Bond Fastness 401 nail glue, commonly used for adhering artificial nails, tips, and decorations. It's a strong, fast-drying adhesive suitable for both professional and home use. The 20g bottle is designed for easy application with a nozzle and brush. It is a popular choice for its long-lasting hold, ensuring nails stay intact without lifting or falling off. The glue dries clear, providing a natural finish.