Le Beau Touche is a sulfur-free, extremely smooth, flexible and tacky sculpting Fine Art Plasteline with exceptional adhesive quality. The HM formula is less sensitive to heat variations and is suggested for use where working environment is expected to reach 90º F. HM is slightly firmer and less tacky than Le Beau Touche – Original. Additional Details ------------------------------ Product description: Le Beau Touche is a sulfur-free, extremely smooth, flexible and tacky sculpting Fine Art Plasteline with exceptional adhesive quality. The HM formula is less sensitive to heat variations and is suggested for use where working environment is expected to reach 90º F. HM is slightly firmer and less tacky than Le Beau Touche – Original.