【PRESERVE PUZZLE USEFULLY】DR.FAN Puzzle Glue has developed a new bottle with a brush in, that can be used repeatedly. The brush is attached to the cap, so you don't need to store it separately. It is more convenient and helps you to finish the artwork more efficiently. Otherwise, the shape of the brush is designed to handle the details; the brush could apply every part precisely and give a protective layer to your artwork. Make your puzzle clearer and brighter, retaining a clean and glossy finish for a long time. 【STRONG ADHESIVE】DR.FAN Puzzle Glue upgrades the all new formula, and promotes a high viscosity function, so it will give a strong cohesion to the puzzle. After applying evenly on the surface, it can make every parts strongly connected, you don't have to worry about falling apart anymore, and it will give long-term protection to your artwork. 【UPGRADE OF USAGE】DR.FAN Puzzle Glue only needs to apply one side, and it can give you a strong adhesive to you artwork. You don’t need to apply both sides anymore, easier using, spend less time, spend less glue, but runs stronger. 【SUITABLE FOR VARIOUS PUZZLE STYLES】DR.FAN Puzzle Glue suits many kinds of puzzles because we focus on the development of series glue. For using tips: 160ml*2packs can be used for 6 sets of 1000-piece puzzles, or 3 sets of 2000-piece puzzles, or 2 sets of 3000-piece puzzles, or 1 set of 5000-piece puzzles. 【SAFETY QUALITY】DR.FAN owns the new technique and has our professional formula of puzzle glue (NOT TOYS). DR.FAN Glue conforms to ASTM D4236 and EN71-1,2,3,9 testing, which are non-toxic, acid-free, safe to use, and washable. puzzle glue