Glue Dots are a double sided, pressure-sensitive adhesive that is faster and safer than using hot glue guns, faster than foam tape products, and easier than dispenser-type adhesives. Bonds instantly, is child safe, and non-toxic. Great for hobbies, home, school, and office projects. Poster 1/2" Sheet 60pc- Includes 60 adhesive 1/2" dots. This glue is repositionable, but sunlight and heat may soften the adhesive and compromise the bond. Acid free.