These glue sticks bond wood, glass, metal, floral, fabric and foam in 20 seconds. Works in both low- and high-temp guns. Use in low- temp guns for fabric, foam, floral and other delicate materials. Use in high-temp guns for non-porous materials such as wood, glass and metals. This package contains 50 .44×4 inch glue sticks. Non-toxic. Conforms to ASTM D 4236. Imported.