Extra wide, soft elastic band. Has silver impregnated polypropylene knitted on inside for superior conductivity. Made with pure silver irreversibly bound to fibers providing both antimicrobial and anti-odor performance. Replacement elastic bands available and easy to replace without tools. Unique adjustment design eliminates exposed conductive "tail" of band. Reusable. - Desco Adjustable Replacement Strip, Size Group: Universal, Snap Size: 4 mm, Material: Elastic Fabric, Color: Light Blue, Strap Circumference: 2.5 - 13 Inch, For Use With: 9028 Wrist Band, Width: 0.875 Inch.