Looking for a firm hold?
Try this set of 3 Nitrile rings. Assorted sizes make certain that one is just right for you. Made from latex-free rubber.
Includes: 3 rings - 1.5 inch (4 cm), 1.75 inch (4.5 cm), 2 inch (5 cm)
Material: Nitrile (NBR) rubber (latex free)