EASY APPLICATION: Bottle is designed with a PVC plastic applicator top. Simply squeeze glue and apply evenly throughout your puzzle pieces using the bottle head. DRIES FAST: Darice quick-drying puzzle glue makes puzzle framing a breeze and is your #1 for puzzle accessories. PUZZLE PRESERVER: Creates a protective finish to keep color tone from fading with time. Dries, bright, clear and streak free. QUALITY & SAFETY: These products are 100% non-toxic and acid free. Kid-safe and parent approved!