These are Economy Super-Bond extra-strength adhesive glue sticks. Hot melt glue sticks work in Hot Melt glue guns. Economy sticks are a higher viscosity and longer open time stick. Approximate 125 sticks in the 7 lb box. .Adhesive Specifications Hot Melt Super Bond hot melt adhesive to be applied in high temperature glue guns. Bonds to porous and non porous material.