These are 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. Can be applied in high temperature glue guns. Bonds to porous and non porous material. Features - Color: White. - Material: Polyvinyl alcohol adhesive. - Size: About 100 * 7mm(L * W). - Softening Point: 140 C. - Shape: Round. - Pounds and sticks per case: 6 lbs/ approximate 100 sticks. - Temperature of Glue Gun: High Temperature. - Anti-aging, and stable. - for bonding plastic, ceramics, glass, plastic, wood and many other materials. - It's the glue stick for Glue gun. - Clean and Clear: Strong adhesive holds in extra white clear transparency that made from safe and reliable materials properties to protect your health and items. - Economy sticks are a higher viscosity and longer open time stick. - Heats up in 3-5 minutes and maintain constant temperature automatically making it an adhesive for home, office and school DIY crafts projects including metal, wood, glass, card, fabric, plastic, ceramics and so on.