Piano Blue White Board Marker. Easy to use & reliable. Easy to write in White Board. Non Toxic. Available Different Color. Smooth Working. 1 Piece Only. Color: Blue.

• Clear silico for sealing, caulking and bonding a wide variety of materials, including metal, glass, and plastic
• Forms a tough, flexible and waterproof seal that resists aging and weathering
• 10-15 minute Handling time; 30 minute Set time; 12-24 hour Cure time