1、7mm hot glue stick is for hot melt glue gun of power less than 30W, 11mm for hot glue gun of power above 40W. 2、Strong adhesion, strong tensile force after solidification, not easy to fall off, environmentally friendly and non-toxic. 3、Universal for four seasons, not easy to break in winter, no caking in summer. 4、Good flexibility and anti-aging, excellent purity makes the glue sticks not harden after long time storage. 5、Ideal for DIY crafts, clothing, decorations, toys, packaging, etc. Features: 7mm hot melt glue stick is for hot glue gun of power less than 30W, 11mm for hot glue gun of power above 40W. Strong adhesion, strong tensile force after solidification, not easy to fall off, environmentally friendly and non-toxic. Universal for four seasons, not easy to break in winter, no caking in summer. Good flexibility and anti-aging, excellent purity makes the glue sticks not harden after long time storage. Ideal for DIY crafts, clothing, decorations, toys, packaging, etc. Specification: Material: Epoxy resin glue Color: White transparent Optional Diameter: 7/11mm Optional Length: 190/270mm Optional Quantity: 10pcs/20pcs   Package List: 1 Set of Hot Melt Glue Sticks