Vaginal speculums by Dynarex are made of smooth, durable plastic. Dynarex vaginal speculums easily locks in a variety of positions. This disposable vaginal speculum is individually wrapped. Disposable vaginal speculums and most Dynarex medical supplies are sold by the box or case. The Graves style speculum also accommodates light source illumination. Features: -Rounded, smooth edges assure patient comfort. -Durable polystyrene (PS) construction. -Easily locks in a variety of positions. -Non-Sterile.