Ideal for use on metal, glass, ceramic, wood, plastics and card. Great for decoupage. The silicone glue has a fine plastic nib for the end to apply to the end of the tube. When dry it gives you a permanent bond so your project won't fall apart. Before use pierce top with cap. Do not apply to damp, dirty surfaces, or recently decorated or delicate surfaces. Join surfaces immediately. Dries within 15 minutes and is fully cured in 12 hours. Not suitable for aquariums.