Super-Glide is super-popular! If you're looking to create high quality design and pattern/fabric marking, this is the hands-down winner. Carmel's famous Super Glide Tailor Chalk comes in a large size, making it particularly suitable for easy use for any task. Super-Glide is a standard in the tailored suit industry where its size allows for constant sharpening to a slim profile. Includes Easily removable with a hot iron and never leaves a trace! It also has a 1/4" groove that provides a good grip. Chalk size is 1-1/2" X 1-7/8" X 7/32". Used for marking clothes for tailoring applications. Made of wax. White is removable with hot iron. Pretest on sample for best results