Long Lasting Protection & Visual Enhancement: Our puzzle glue uses a crystal transparent formula to form a solid protective layer on the surface of the puzzle, effectively preventing fading, scratches and loosening of debris, while improving color saturation and detail clarity. The water-based upgrade formula ensures that it does not turn yellow or darken after drying, and maintains the freshness of the works for a long time. It is suitable for multi-material art projects such as wood, diamond painting, etc. Safe & Environmentally Friendly: The puzzle glue with a water-based formula is non-toxic and odorless. Jigsaw puzzle glue has passed the skin-friendly test and can be safely used in contact with children (over 3 years old) and adults. The environmentally friendly formula meets the needs of parent-child interaction and school handicrafts, taking into account safety and creative fun. Easy to Operate & Efficient Curing: Equipped with a special brush, uniformly applied in one direction to achieve a bubble-free finish, 30 minutes of curing time, and 2 hours of rapid drying to form permanent bonds. 30ml capacity jigsaw puzzle glue supports multiple projects, no professional skills are required, and beginners can achieve a professional-level saving effect. Multi-Scene Creative Compatibility: In addition to being used for puzzle fixation, our puzzle glue is also suitable for DIY scenes such as diamond painting, paper art, handmade frame painting, paper cutting decoration, etc. Strong adhesion can permanently preserve assembled works, support hanging display or frame mounting, and become a must-have addition to craft enthusiasts' toolboxes.