Rapesco hot melt glue sticks are transparent, quick drying, solvent-free sticks that are perfect for work with fabric, wood, leather, cardboard, cork and plastic. These non-toxic glue sticks are compatible with the Rapesco G4-7 USB (4V) glue gun as well as many other common models available. The hot melt adhesives contain no solvents or water, whilst antioxidants help preservation at high temperatures. Each pack contains 50 hot melt glue sticks with a diameter of 7mm and length of 150mm.