Size: approx. 11 mm in diameter and 5 1/2 inches in length Material: wax and resin Color: 20 colors Feature: Fit for standard glue gun: easily use together with a low-temp large proper 0.44 inch/ 11.2 mm glue gun. that is a full-size (or regular size) glue gun. Easy to use: The sealing wax stick is designed for glue gun, a glue gun makes it faster and easier to apply than traditional sealing wax with wick. No flame & no soot: Traditional sealing wax requires flame or a melting spoon, this letter sealing wax stick could melt without flame, thus you don't need to worry about soot. Tips on melting temperature: We highly recommend using a low-temperature full-size glue gun or a dual-temperature full-size glue gun, for the wax melted at a low temperature won't be too thin. Because wax melted at high temperature could be really thin and runny. Widely Application: stampm sealing wax is perfect for making invitations, letters, manuscripts, envelopes, cards, crafts, gifts sealing, wine sealing, tea or cosmetics packaging and other craft projects, suitable for wedding, birthday party, holiday, Valentine's Day or any celebration events