Select sizes are now available with antimicrobial formulation to increase the life span of the splint. The antimicrobial protection helps to prevent odors and coating wear that can be caused by harmful microorganisms. This protection won't wash or wear off. Splints remain odor-free longer with this revolutionary formulation, leading to better user compliance. The antimicrobial component also makes the material slightly more resistant to stretch, and less prone to fingerprinting, while adding gloss. White.