- Relaxed-fit insti-dam works well for hard to reach posterior teeth. - Folds easily to the side so you can take radiographs without removing the dam. - Compact design fits outside patients lips, making it non-threatening and comfortable for patients. - Disposable. - Pre-assembled. - Dimensions: ⌀ 4-1/4". - Color: purple. Content: - 20 per/pack. **For further product information , please contact Chat Support**