These extra strength glue sticks are perfect for paper crafting projects where traditional glue sticks just won't do. The extra strength formula will allow you to permanently attach embellishments with the quick convenience of a glue stick. The extra strength formula applies blue and dries clear, so the disappearing color makes it easy to see where glue has been applied as it creates a permanent bond in seconds. Archival safe for scrapbooking, card making and paper crafts, it is mess free, acid free, photo safe and nontoxic. Not recommended for children under 3 years. Details: 6 g (0.21 oz.) each 4 glue sticks Acid free Photo safe Nontoxic