After Several Tests,These Glue Sticks's Best Melt Time is 5-8 Minutes for 100w Glue , Adhesive Cooling Time about 2 Minutes is the best Working Time for Car Dent Repair.Yellow Color Glue Sticks is a Better Strong Viscosity,Suitable for Relatively Harder Parts on Cars.Glue Sticks is the Standard Size ,Suit for all Standard Glue Professional Paintless Dent Removal Glue Sticks for Glue for Car Body Dent Repair Tabs.Glue Sticks Size: 11mm x 270mm ,10 Pack of Weight about 250gLooking for a environmental, professional paintless dent removal Glue Sticks ? Then look no further...Pro Glue Sticks : made of pro environmental material ,which is anti-aging, wide practical, fast bonding, smell, good thermal stability .Warning:These Glue Sticks's Best Melt Time is 5-8 Minutes for 100w Glue , Adhesive Cooling Time about 2 Minutes is the best Working Time in Glue Tabs for Car Dent Repair.Yellow Color Glue Sticks is a Better Strong Viscosity,Suitable for Relatively Harder Parts on Cars,Black Color Glue Sticks is Suit for Relatively Soft on Car.Colour: yellowMaterial: hot melt gluePackage Contents:10 * Yellow Glue SticksOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.