To ensure freshest stocks, this set of uv resin is a preorder. Set contents: 5x 55g of uv resin (total to 275ml of resin). Popular in japan for making resin crafts. Highly rated by resin crafters for resin shakers, jewelry making and miniature dollhouse items.5x 55ml bottles to keep each bottle of resin fresh and prevent premature spoilage. Great value for good quality. Long nozzle for easy pouring into silicone molds. Compatible for use with uv light and uv-led light. Able to mix with uv resin color dye to create beautiful shades of resin. 2 to 3 minutes under uv light / uv-led. 30 minutes to 2 hours under direct strong sunlight. Please remember to clean the silicone molds after using with uv resin to prevent residual damages. This item is made of uv resin.