Extra strong adhesive - pentonic gum stick has a superior adhesive quality in terms of bonding. Washable glue - this washable glue has a safe experience and is super easy to be used by children with a zero-mess solution. Non-toxic glue - made of safe non-toxic formula, acid free & solvent free which is ideal for children. Transparent adhesive - pentonic gumstik provides you an all transparent glue which can be seen through, a look which no one else provides. Easy application - it’s an ideal adhesive to be used for school projects, scrapbooks and craft work. Creates no mess during the process.