Unique multi-curved stem rotates for a custom fit inside each ear canal. Large handle on curved stem for easy insertion and removal. Simply push and twist to find your fit. Cord can be attached at any desired length. Washable and reusable. Bright green color is a symbol of Moldexｮ quality. 100% PVC-Freeｮ, like all Moldex products and packaging, for a greener alternative. 4 Boxes/case.