2g Adhesive in Cardboard Box: This adhesive is made of high-quality imported glue and is environmentally friendly and non-toxic. It is packaged in a cardboard box with 12 pieces per card, each piece weighing 2g. 502 Glue is a white liquid with a plastic cover over the opening, featuring colorless, odorless, fast curing speed, strong adhesive strength, and good stability. 502 Glue is mainly suitable for ceramics, glass, metal, and oil-based surfaces.